MULTIPLE CHOICEPAPER ONE

1

TIME 45 minutes

INSTRUCTIONS TO CANDIDATESDo not open this booklet until you are told to do so.Write your name, Centre number and candidate number on the answer sheet in the spaces providedunless this has already been done for you.There are forty questions in this paper. Answer all questions. For each question, there are four possible answers, A, B, C and D. Choose the one you consider correct and record your choice in softpencil on the separate answer sheet.Read very carefully the instructions on the answer sheet.

INFORMATION FOR CANDIDATESEach correct answer will score one mark. A mark will not be deducted for a wrong answer.Any rough working should be done in this booklet.

This question paper consists of 19 printed pages and 1 blank page.SB (SC) QF91698/4 UCLES 1999 [Turn over

International General Certificate of Secondary EducationUNIVERSITY OF CAMBRIDGE LOCAL EXAMINATIONS SYNDICATE

PHYSICS 0625/1PAPER 1 Multiple ChoiceWednesday 19 MAY 1999 Morning 45 minutes

Additional materials:Electronic calculator and/or Mathematical tablesMultiple Choice answer sheetSoft clean eraserSoft pencil (type B or HB is recommended)

0625/1 S99

1 A measuring cylinder contains some liquid.

What does the reading of the measuring cylinder scale give?

A the density of the liquid

B the height of the liquid

C the mass of the liquid

D the volume of the liquid

2 A tennis ball falls from the upstairs window of a house.

Ignoring air resistance, what happens to the acceleration of the ball?

A It decreases.

B It increases.

C It is constant.

D It is zero.

1

2

3

4

5

6

7

8

9

10cm3

0625/1 S99 [Turn over

3 The graph shows how the speed of a car changes over 200 s.

For how many seconds is the car moving at constant speed?

A 50 s B 100 s C 150 s D 200 s

4 Two apples are placed on a balance. The balance stays level.

What does this show about the mass and the weight of the apples?

x x

apple 1 apple 2

0 50 100 150 2000

20speed

m/s

time/s

mass of apples weight of apples

A different different

B different the same

C the same different

D the same the same

0625/1 S99

5 The diagram shows a racing car.

Where should the centre of mass be, and why?

6 An object is pushed and then allowed to slide along a table.

The diagram shows the direction of the friction force acting on the object.

What is the effect of the friction force on the sliding object?

A It has no effect.

B It increases the objects weight.C It slows the object down.D It speeds the object up.

object slidingthis way

friction force

table

object

32PETROIL

V I S T

VA LVO I L

centre of mass

where why

A as high as possible to give the car more acceleration

B as high as possible to give the car more stability

C as low as possible to give the car more acceleration

D as low as possible to give the car more stability

0625/1 S99 [Turn over

7 A student swings on a rope tied to a branch of a tree.

At which position is the students energy of motion (kinetic energy) the greatest?

8 The diagram shows four types of power station.

Which type of power station uses chemical energy to generate electricity?

Ageothermal

Bcoal-fired

Cnuclear

Dhydroelectric

hot rocks heatwater, steam turns

turbine and generator

coal burned to heatwater, steam turns

turbine and generator

nuclear fuel heatswater, steam turns

turbine and generator

water from mountainreservoir turns

turbine and generator

B CDA

0625/1 S99

9 Four people each have to lift bricks to the same height with a rope and pulley. Some lift morebricks, and some lift the bricks faster.

Which person develops the most power?

10 The diagram shows a drawing pin (thumb tack) and a wooden board.

The drawing pin is easily pushed into the wooden board.

Why is this?

A The flat head raises the centre of mass.

B The force produces a large moment about the point.

C The large area of the flat head increases the force.

D The small area of the point increases the pressure.

force

drawing pin

wooden board

h

A

10 bricksin

2 seconds

h

B

10 bricksin

4 seconds

h

C

20 bricksin

2 seconds

h

D

20 bricksin

4 seconds

0625/1 S99 [Turn over

11 A liquid evaporates quickly.

How does its temperature change, and which of its molecules leave the surface?

12 A pupil looks through a microscope into a small, glass container in which tiny smoke particleshave been mixed with air. The container is very brightly lit and the pupil sees bright specks movingrandomly.

What are these specks?

A air molecules being hit by air molecules

B air molecules being hit by smoke particles

C smoke particles being hit by air molecules

D smoke particles being hit by smoke particles

13 A substance that melts at 60 C is heated in a test-tube to a temperature of 95 C. The substanceis then allowed to cool.

Which graph best shows how the temperature changes with time as the substance cools?

00

100

tem

pera

ture

/

C

tem

pera

ture

/

C

tem

pera

ture

/

C

tem

pera

ture

/

C

time

A

00

100

time

B

00

100

time

C

00

100

time

D

temperature moleculeschange leaving surface

A rises fastest-moving

B rises slowest-moving

C falls fastest-moving

D falls slowest-moving

0625/1 S99

14 The diagram shows an experiment to investigate the effect of a rise in temperature on an iron bar.

What would be seen after heating?

15 A flask with a narrow tube contains some coloured liquid. The diagram shows the height of theliquid column at 0C, 100 C and X C.

The liquid expands uniformly with temperature.

What is temperature X?

A 40 C B 50 C C 60 C D 80 C

01020304050607080

millimetres

0 C 100 C X C

A

B

C

D

heat

pointerroller withpointer attached

iron bar

fixed support

0625/1 S99 [Turn over

16 Four wires of equal length, made of different materials, are placed on heat-sensitive paper. Thefour ends of the wire are put together, as shown, and are heated for three minutes.

Heat-sensitive paper changes colour when it gets hot. The diagram below shows the marks on theheat-sensitive paper due to the conduction of heat energy along the wires.

Which mark was made by the best conductor of heat?

17 A hot-air balloon rises when the air inside it is heated.

Why does this happen?

A The air contracts and becomes less dense.

B The air contracts and becomes more dense.

C The air expands and becomes less dense.

D The air expands and becomes more dense.

A

B

C

D

heat-sensitive paper

heated here

0625/1 S99

18 Different surfaces reflect different proportions of the Suns radiant energy. The chart shows thepercentage of heat energy that is reflected by some surfaces.

What is the best way to treat a flat roof so as to increase the amount of heat absorbed by the roof?

A cover it with a layer of red brick dust

B cover it with a layer of soil

C paint it with tar

D paint it with whitewash

19 A barrier lies at the mouth of a harbour. It is closer to one side of the mouth of the harbour than theother. Sea waves come towards the harbour and pass through the two gaps.

Which diagram shows the pattern that the waves make when they pass through the gaps?

A B

C D

waves movingthis way

sea

barrier

harbour

0

20

40

60

80

100

white-washed

redbrick

soil tar

% of heatenergy

reflected

0625/1 S99 [Turn over

20 Which diagram shows the path of a ray of light through a glass prism and into the air beyond?

21 Which diagram shows how a converging lens in a camera forms an image on the film?

22 What is heard when the frequency of a sound wave is increased at constant amplitude?

A higher pitch

B lower pitch

C louder sound

D quieter sound

A

B

C

D

object

object

object

object

image

image

image

image

45

A

lightray

45

B

lightray

45

C

lightray

45

D

lightray

0625/1 S99

23 A bat is flying near a house. It makes a high-pitched sound. It hears the echo 0.5 s later. Thespeed of sound in air is 300 m/s.

How far away is the house from the bat?

A 600 m B 300 m C 150 m D 75 m

24 A student holds two pins on to a magnet as shown.

The student removes his thumb.

Which diagram shows the positions of the pins and the poles induced on them?

25 Different metals are separated by passing them under an electromagnet, which attracts and liftsout some of the metals.

Which line in the table shows what happens to the metals?

electromagnet

moving belt

different metals

N

A

N

B

N

C

N

D

N N

S S

S S

N N

N N

S S

S N

N S

N

attracted not attracted

A copper aluminium

B copper steel

C iron aluminium

D iron steel

0625/1 S99 [Turn over

26 Which diagram shows the directions of the forces between two charged particles?

27 A battery is labelled 9 VOLTS.

Which information does the label give about the battery?

A the power it can supply

B the current it can supply

C its electromotive force (e.m.f.)D its resistance

28 The diagram shows how a student has connected some electrical components. The lamp doesnot light because the circuit has not been completed.

Where must the crocodile clips be connected, so that the lamp lights only when the switch isclosed?

A at P and R B at P and S C at Q and R D at Q and S

connecting wire

crocodile clip

crocodile clip

battery lampswitch

SRQP

BATTERY9 VOLTS

+ +A

+ B

+ C

D

0625/1 S99

29 The diagram shows a circuit in which all the lamps are lit.

The lamp marked X blows and breaks the circuit.

How many lamps remain lit?

A 0 B 1 C 2 D 3

30 In which diagram is the fuse correctly connected?

to mainssupply

heater

live

earth

neutral

metal case

A

to mainssupply

heater

live

earth

neutral

metal case

B

to mainssupply

heater

live

earth

neutral

metal case

C

to mainssupply

heater

live

earth

neutral

metal case

D

X

0625/1 S99 [Turn over

31 The diagram shows an electrical hazard.

Which part gives an electric shock if touched?

A soft plastic insulation

B bare copper wire

C hard plastic lamp holder

D glass bulb

32 Which diagram shows the correct wiring of a transformer?

33 Which object makes use of the force on a current-carrying conductor in a magnetic field?

A electric fan

B electric kettle

C lamp

D transformer

A

C

B

D

bare copper wire

hard plastic lamp holder

glass bulb

soft plastic insulation

0625/1 S99

34 Which diagram shows an electric bell correctly connected?

35 A straight wire connected to a milliammeter is placed between the poles of a magnet.

Which change causes a current in the milliameter?

A moving the wire in direction 1

B moving the wire in direction 2

C moving the magnet in direction 2

D moving the magnet in direction 3

1

23

straight wire

milliammeter

A B C D

0625/1 S99 [Turn over

36 Particles given off by a hot cathode in a vacuum are attracted to a plate P. There is a high potentialdifference between the cathode and plate as shown.

What are these particles?

A -particles

B electrons

C neutrons

D protons

37 Which of the following is a correct statement about -particles?A They are fast-moving electrons.

B They are more ionising than -particles.

C They are stopped by a thin sheet of paper.

D They can pass through a thick sheet of lead.

+

P

vacuum

hotcathode

0625/1 S99

38 The graph shows how the activity of a radioactive source varies with time.

What is the half-life of the source?

A 50 minutes

B 100 minutes

C 200 minutes

D 400 minutes

39 Hydrogen may be written as 11H.

Which line is correct for a neutral hydrogen atom?

0 20 40 60 80 10010 30 50 70 900

100

200

300

400count ratecount/minute

timeminute

number of number of number ofelectrons protons neutrons

A 0 1 1

B 1 0 1

C 1 1 0

D 1 1 1

0625/1 S99

40 The diagram represents the radioactive decay of a nucleus.

What are the values of A and Z?

U23892

He42

ThAZ

A Z

A 238 93

B 238 92

C 236 88

D 234 90

TIME 45 minutes

INSTRUCTIONS TO CANDIDATESDo not open this booklet until you are told to do so.Write your name, Centre number and candidate number on the answer sheet in the spaces providedunless this has already been done for you.There are forty questions in this paper. Answer all questions. For each question there are fourpossible answers, A, B, C and D. Choose the one you consider correct and record your choice in softpencil on the separate answer sheet.Read very carefully the instructions on the answer sheet.

INFORMATION FOR CANDIDATESEach correct answer will score one mark. A mark will not be deducted for a wrong answer.Any rough working should be done in this booklet.

International General Certificate of Secondary EducationUNIVERSITY OF CAMBRIDGE LOCAL EXAMINATIONS SYNDICATE

PHYSICS 0625/1PAPER 1 Multiple ChoiceTuesday 9 NOVEMBER 1999 Morning 45 minutesAdditional materials:

Electronic calculator and/or Mathematical tablesMultiple Choice answer sheetSoft clean eraserSoft pencil (type B or HB is recommended)

This question paper consists of 16 printed pages.(NH) QK93704/4 UCLES 1999 [Turn over

20625/1 W99

1 The digital stopwatches show the finishing times of two runners in a race.

What is the time difference between the two runners?

A 1.14 s B 7.28 s C 8.42 s D 15.70 s

2 The graph shows how the speed of an object changes with time.

For how long does the object move?

A 2 s B 4 s C 6 s D 8 s

3 Which statement is true about the weight of an object?

A Its weight is the same everywhere.

B Its weight is measured in kilograms.

C Its weight is the force of gravity on it.

D Its weight is zero on the Moon.

00

speedm/s

2 4time

s

6 8

:

runner 1

min s

runner 2

min s:

30625/1 W99 [Turn over

4 The diagram shows some liquid in a measuring cylinder. The mass of the liquid is 16 g.

What is the density of the liquid?

A 320 g/cm3 B 36 g/cm3 C 1.25 g/cm3 D 0.8 g/cm3

5 A heavy box is lifted by a force F, using a lever as shown.

What happens when the length x is made shorter?

x

F

30

20

cm3

10

distance Fmoves size of F

A

B

C

D

bigger

bigger

smaller

smaller

bigger

smaller

bigger

smaller

40625/1 W99

6 In which situation is there no resultant force on the car?

7 A steel ball is allowed to roll along a frictionless track.

What is the highest point the ball reaches before rolling backwards? Ignore the effects of friction.

8 What is the source of geothermal energy?

A coal

B hot rocks

C tides

D waves

steel ball

D

C

B

A

40 m/s 30 m/sA decreasing speed on a level road

30 m/s

B going at a constant speed uphill

30 m/s

40 m/sC increasing speed downhill

30 m/s 40 m/sD increasing speed on a level road

50625/1 W99 [Turn over

9 Which object converts sound energy into electrical energy?

A electric bell

B loudspeaker

C microphone

D radio

10 A manometer is connected to a gas tap. Diagram X shows the liquid levels before opening the gastap. The gas pressure is greater than atmospheric pressure.

Which diagram shows what happens to the liquid levels after opening the gas tap?

11 The diagram shows water in an outdoor swimming pool.

The water level drops during a hot, sunny day.

What does this show?

A that water boils at only one temperature

B that water can evaporate below its boiling point

C that water can expand as it becomes warmer

D that water is a poor conductor of heat

water

swimming pool

Sun

Xgas tap

liquid

before openinggas tap

from gas supply

A B C D

60625/1 W99

12 A closed container full of gas is left to stand on a bench for a long time.

Which statement about the molecules of the gas is correct?

A All the molecules are at the bottom of the container.

B The fastest moving molecules are at the top of the container.

C The molecules are moving at random throughout the container.

D The pressure caused by the molecules on the container is greatest at the top of the container.

13 Metal railway lines can be laid in sections with small gaps in between, as shown. The sections areconnected by metal plates.

What is the reason for leaving the gaps?

A to allow for contraction when the temperature falls

B to allow for expansion when the temperature rises

C to prevent an electric current in the railway line

D to stop large vibrations

14 Four cooking pots are each made of iron.

Which cooking pot has the greatest heat capacity?

A

mass = 2.0 kg

B

mass = 1.8 kg

C

mass = 1.6 kg

D

mass = 1.4 kg

railway line

gap

metal plate

70625/1 W99 [Turn over

15 Two balloons are inflated at the same room temperature until they have the same volume of airinside. They are then sealed. Balloon X is placed in a refrigerator for some time, while balloon Ystays at room temperature. The diagram shows the balloons after this time.

Assuming no air has leaked out of the balloons, which statement is correct?

A The air in balloon X has contracted.B The air in balloon Y has expanded.C The rubber of balloon Y has expanded.D The rubber of balloon X has frozen and has compressed the air.

16 On a day when the temperature is low, the metal handlebars of a bicycle feel colder than theplastic handlegrips.

What is the explanation for this?

A Metals are colder than plastics.B Metals conduct heat better than plastics.C Plastics are softer than metals.D Plastics conduct heat better than metals.

17 A man puts a saucer on top of a cup of tea to keep the tea hot.

Why does this help to keep the tea hot?

A Conduction through the cup is reduced.B Convection in the air above the surface of the tea is reduced.C Convection in the tea is reduced.D Radiation from the shiny surface of the cup is reduced.

saucer

cup

balloonY

balloonX

80625/1 W99

18 The following diagram represents a wave.

What is the wavelength of the wave?

A 8 cm B 4 cm C 2 cm D 1 cm

19 The diagram shows a wavefront striking a plane reflecting surface PQ.

Which of the following is changed by reflection?

A directionB frequencyC speedD wavelength

20 A child is 1 m tall. She stands 2 m in front of a plane mirror.

How far away from the child is her image?

A 1 m B 2 m C 3 m D 4 m

2 m

1 m

mirror

P Q

wavefront

1 cm

1 cm

90625/1 W99 [Turn over

21 Which diagram shows a possible path for a ray of light passing through water in a beaker with amirror at the bottom?

22 An electric bell is suspended in a bell-jar as shown. Switch S is closed and air is then pumpedfrom the jar. The sound of the bell becomes quieter.

Why does the sound become quieter?

A Air is needed for an electric current in the bell.

B Air is needed for the bells electromagnet to operate.

C Air is needed for the bell to vibrate.

D Air is needed to transmit sound waves.

S

electricbell

bell-jar

to vacuum pump

A B C D

water

mirror

10

0625/1 W99

23 A student shouts when standing by a cliff. A short time later the student hears an echo.

Which property of sound causes the echo?

A diffraction

B dispersion

C reflection

D refraction

24 The diagram shows the circuit for an electromagnet. The core of the electromagnet can be madefrom different materials.

When switch S is closed, which material attracts the largest number of iron nails?

A aluminium

B copper

C glass

D iron

S material under test

iron nails attractedto material

student

cliff

11

0625/1 W99 [Turn over

25 A plotting compass is placed at each end of a magnet.

Which diagram shows the positions of the pointers of the plotting compasses?

26 Two very light, charged balls P and Q are hung, one above the other, from nylon threads. When anegatively charged plastic sheet is placed alongside them, P is repelled and Q is attracted.

What are the original charges on P and on Q?

P

Q

negativelycharged

plastic sheet

A

B

C

D

charge on P charge on Q

A

B

C

D

negative

negative

positive

positive

negative

positive

negative

positive

12

0625/1 W99

27 The meter in the circuit measures the potential difference across the resistor.

Which unit is marked on the scale of the meter?

A amp

B ohm

C volt

D watt

28 Two resistors are connected in a circuit as shown.

What is the total resistance of the resistors?

A less than 2

B between 2 and 3

C between 3 and 5

D more than 5

2 X

3 X

meter

13

0625/1 W99 [Turn over

29 The diagram shows a circuit with three lamps and a cell.

What is the circuit diagram for the above arrangement?

30 Which device can be used to switch off the current in a circuit when the current becomes toolarge?

A capacitorB circuit-breakerC light-dependent resistorD transformer

31 A hair dryer should

(i) allow the fan to work with or without the heater,(ii) not allow the heater to work without the fan.

Which circuit should be used?

Mfan

heater

A

Mfan

heater heater

C

Mfan

heater

B

MfanD

A B DC

+

14

0625/1 W99

32 A straight wire carries an electric current at right angles to the page. The black dot in eachdiagram shows where the wire passes through the page.

Which diagram shows the magnetic field pattern around the wire?

33 When electrical energy is transmitted over large distances, a high voltage is used.

Why is this better than using a low voltage?

A There is a greater current in the cables.B There is less chance of an electric shock.C There is less heating in the cables.D Thicker cables can be used.

34 Which graph shows the output voltage V of an a.c. generator?

35 What is the symbol for a capacitor?

A B C D

00

A

time

V

C

B

00

D

time

V

00

time

V

00

time

V

A B C D

15

0625/1 W99 [Turn over

36 A waveform is displayed on the screen of a cathode-ray oscilloscope (c.r.o.).

The time base now changes from 1 ms/cm to 2 ms/cm.

Which diagram shows the new appearance of the waveform on the screen?

37 The half-life of a radioactive substance is 10 days.

Which of the following statements is correct?

A After 5 days, half of the original radioactive nuclei remain.

B After 5 days, a quarter of the original radioactive nuclei remain.

C After 10 days, half of the original radioactive nuclei remain.

D After 20 days, none of the original radioactive nuclei remain.

A B

C D

1 cm

16

0625/1 W99

38 What can most -particles pass through?

A 2 mm of aluminium

B 2 mm of lead

C 2 cm of air

D 2 cm of concrete

39 The diagram represents an atom.

Which of the following describes the atom?

40 Which statement about the numbers of particles in a neutral atom must be correct?

A number of protons = number of electrons

B number of protons = number of neutrons

C number of protons + number of electrons = number of neutrons

D number of protons + number of neutrons = number of electrons

nucleus electron charge on electron

A

B

C

D

in middleof atom

in middleof atom

orbits roundelectron

orbits roundelectron

orbits roundnucleus

orbits roundnucleus

in middleof atom

in middleof atom

+

0

This question paper consists of 18 printed pages and 2 blank pages.SB (SLC/DJ) QF05707/3 UCLES 2000 [Turn over

International General Certificate of Secondary EducationUNIVERSITY OF CAMBRIDGE LOCAL EXAMINATIONS SYNDICATE

PHYSICS 0625/1PAPER 1 Multiple ChoiceMAY/JUNE SESSION 2000 45 minutesAdditional materials:

Electronic calculator and/or Mathematical tablesMultiple Choice answer sheetSoft clean eraserSoft pencil (type B or HB is recommended)

TIME 45 minutes

INSTRUCTIONS TO CANDIDATESDo not open this booklet until you are told to do so.Write your name, Centre number and candidate number on the answer sheet in the spaces providedunless this has already been done for you.There are forty questions in this paper. Answer all questions. For each question, there are four possible answers, A, B, C and D. Choose the one you consider correct and record your choice in softpencil on the separate answer sheet.Read very carefully the instructions on the answer sheet.

INFORMATION FOR CANDIDATESEach correct answer will score one mark. A mark will not be deducted for a wrong answer.Any rough working should be done in this booklet.

20625/1 S00

1 A stopwatch is used to time a student running a 1500 m race.

What is the reading on the stopwatch?

A 658.31 seconds

B 6 minutes 58.31 seconds

C 6.58 minutes 31 seconds

D 6 hours 58 minutes 31 seconds

2 A student lets 100 drops of water fall into a measuring cylinder which already contains somewater.

What is the volume of one drop?

A 0.05 cm3 B 0.25 cm3 C 5.0 cm3 D 25 cm3

3 Which speed-time graph represents the motion of a car moving at constant speed?

A

spee

d

00 time

B

spee

d

00 time

C

spee

d

00 time

D

spee

d

00 time

cm3

50

40

30

20

10

original levelof water

cm3

50

40

30

20

10

new levelof water

30625/1 S00 [Turn over

4 A student investigates the speed of a trolley and finds that it is 50 cm/s, and one second later thatit is 150 cm/s.

What is the acceleration of the trolley?

A 50 cm/s2 B 100 cm/s2 C 150 cm/s2 D 200 cm/s2

5 Which property of an object is measured in newtons?

A density

B mass

C volume

D weight

6 Which instrument can be used to give a direct measurement of the mass of a rock on the Moon?

7 The diagrams show an empty beaker on a balance and some liquid in a measuring cylinder.

When all the liquid is poured into the beaker, the balance reading changes to 140 g.

What is the density of the liquid?

A (140 60) g/cm3 B (60 40) g/cm3 C (40 60) g/cm3 D (60 140) g/cm3

cm3

60

80

100

40

20

liquid

bathroom scalesA

beam balanceB

force meterC

top-pan balanceD

40625/1 S00

8 The diagrams show a brick resting on a smooth surface. Two equal forces, F, act on the brick.

Which brick does not move?

9 The diagram shows four ways of lifting a heavy box by using a lever.

Which way requires the smallest effort to lift the box?

10 The diagrams show a diver climbing some steps and jumping off a diving board.

Where does the diver have the most gravitational potential energy (energy of position)?

A B C D

box

box

effortA

box

effortB

box

effortC

effortD

A

FF

B C

F

F F F

D

F

F

50625/1 S00 [Turn over

11 The diagrams show four schemes which use a barrier to convert tidal energy into electrical energy.

Which scheme has the greatest output of electrical energy?

12 The diagram shows a mercury barometer.

What is at X?

A air at atmospheric pressure

B air at high pressure

C a vacuum

D water vapour

X

mercury

Aturbinebarrier

highwaterlevel

lowwaterlevel

Chighwaterlevel

lowwaterlevel

Bturbinebarrier

highwaterlevel

lowwaterlevel

Dhighwaterlevel

lowwaterlevel

60625/1 S00

13 Which diagram shows the best shape for a dam wall?

14 A fixed mass of gas is kept in a sealed cylinder, so that its volume does not change.

How does a change in the temperature affect the pressure of the gas?

GAS

dam wall waterA

dam wall waterB

dam wall waterC

dam wall waterD

temperature change pressure change

A decreases increases

B decreases unchanged

C increases decreases

D increases increases

70625/1 S00 [Turn over

15 The diagram shows some molecules in a liquid.

Molecules A and D are fast-moving, molecules B and C are slow-moving.

Which of these molecules is the most likely to escape from the liquid by evaporation?

16 A mercury thermometer without a scale is placed in pure melting ice.

What does the level of mercury in the thermometer show?

A the boiling point of water

B the lower fixed point

C the melting point of mercury

D the upper fixed point

mercury

puremeltingice

water

A (fast) B (slow)

liquid

C (slow)D (fast)

80625/1 S00

17 Some ice is heated at a constant rate in a beaker. The ice melts and later the water boils for ashort while.

Which graph shows how the temperature changes with time?

18 A person lifts a hot pan from a stove. Although the pan is hot, the handle is cool.

What is the handle made of?

A aluminium

B copper

C iron

D wood

19 Warm water enters a tank of cold water from the side.

What happens to the warm water and why?

warm water cold water

A

tem

pera

ture

/ C

0time

B

tem

pera

ture

/ C

0time

C

tem

pera

ture

/ C

0time

D

tem

pera

ture

/ C

0time

warm water why?

A rises It is less dense than cold water.

B rises It is more dense than cold water.

C sinks It is less dense than cold water.

D sinks It is more dense than cold water.

90625/1 S00 [Turn over

20 Plane waves produced in a ripple tank arrive at a barrier that has a small gap.

What causes the wave pattern that is produced beyond the barrier?

A diffraction

B dispersion

C reflection

D refraction

21 A floating cork moves up and down as a water wave passes it.

A candle flame moves backwards and forwards as a sound wave passes it.

What does this show about water waves and sound waves?

movement of flame

direction of sound wave

movement of cork

direction of water wave

waves moving inthis direction

water waves sound waves

A longitudinal longitudinal

B longitudinal transverse

C transverse longitudinal

D transverse transverse

10

0625/1 S00

22 Which diagram shows how a real image is formed by the lens?

23 A ray of light is reflected from two mirrors as shown.

What is the angle of reflection at point X?

A 40 B 50 C 60 D 80

60 80

4050

3030

X

lens

imageA

lens

imageB

lens

imageC

lens

imageD

11

0625/1 S00 [Turn over

24 Two windows are double-glazed. Window X is made of two pieces of glass with a vacuum betweenthem. Window Y is made of two pieces of plastic with air between them.

Which window is better at stopping sound passing through and why?

25 The diagram shows a student standing 165 m in front of a wall. He claps his hands once.

How long after the handclap does he hear the echo? [The speed of sound in air is 330 m/s.]

A 0.25 s B 0.50 s C 1.0 s D 2.0 s

wall

165 m

glass

vacuum

plastic

air

window X window Y

window why?

A X Sound cannot travel through a vacuum.

B X Sound cannot travel through glass.

C Y Sound cannot travel through air.

D Y Sound cannot travel through plastic.

12

0625/1 S00

26 A magnet is placed in a coil connected to an electrical supply.

What is the best way to demagnetise the magnet?

A Use a d.c. supply and leave the magnet inside the coil.B Use a d.c. supply and slowly remove the magnet from the coil.C Use an a.c. supply and leave the magnet inside the coil.D Use an a.c. supply and slowly remove the magnet from the coil.

27 A magnet is brought near metal bars X and Y.

What are X and Y made of?

S N Xno effect

S N Yrepulsion

electrical supply

magnet coil

X Y

A aluminium magnetised steel

B aluminium unmagnetised iron

C unmagnetised iron magnetised steel

D unmagnetised iron unmagnetised iron

13

0625/1 S00 [Turn over

28 Which diagram shows how a voltmeter and an ammeter are connected to find the value of theresistance of resistor R?

V

A

RA

V

A

RB

V

A

R

R

C

V

A

D

14

0625/1 S00

29 Two uncharged metal-coated polystyrene spheres, P and Q, are suspended side by side.

Both spheres are then given positive charges.

Which diagram shows the new positions of the spheres?

30 Component Y is placed in the circuit shown and is used to reduce the brightness of the lampgradually.

What is component Y?

A a fuse

B a relay

C a switch

D a variable resistor

Y

P Q

A

P Q

B

P Q

C

P Q

D

P Q

15

0625/1 S00 [Turn over

31 In the circuit, which ammeter shows the greatest reading?

32 A lamp is connected across the mains supply.

Which diagram shows where the fuse should be connected?

33 An electric kettle takes 12 A of current from the mains supply. When the kettles cable needs to bereplaced, a 5 A cable is used that was originally attached to a small lamp. The original plug andfuse from the kettles cable are used.

Why does this cause a problem?

A The cable becomes hot and melts the insulation.

B The fuse blows as soon as the kettle is switched on.

C The kettle becomes too hot.

D The water takes too long to reach its boiling point.

live

neutral

fuse

A

live

neutral

fuseB

live

neutral

fuse

Clive

neutralfuse

D

A

A

A

B

AC

AD

16

0625/1 S00

34 Which device makes use of the magnetic effect of an electric current?

A electric bellB electric fireC fuse

D lamp

35 The diagram shows a transformer, with 100 V applied to the primary coil.

What is the voltage across the secondary coil?

A 50 V B 100 V C 200 V D 800 V

36 The diagram shows part of a cathode-ray oscilloscope.

Which particles are emitted by the cathode?

A alpha (-) particlesB electronsC neutronsD protons

particlesfrom cathode

cathode

primary coil(40 turns)

secondary coil(80 turns)

100 V

17

0625/1 S00 [Turn over

37 In the circuit shown, the brightness of the light reaching the light-dependent resistor increases.

What happens to the current through the ammeter?

A It becomes zero.

B It decreases.

C It does not change.

D It increases.

38 Which statement about an alpha (-) particle is correct?

A It can pass through thick paper.

B It has no charge.

C It is a helium nucleus.

D It is a type of electromagnetic radiation.

light

light-dependant resistor

A ammeter

18

0625/1 S00

39 The graph shows the activity of a radioactive source plotted against time.

After what time is the activity one quarter of its original value?

A 1 hour B 2 hours C 3 hours D 4 hours

40 A nuclide of cobalt is shown by the symbol 6027Co.

How many protons and neutrons are there in the nucleus of this nuclide?

0

10

20

30

40

50

60

70

80

activitycounts/min

0 1 2 3time/hours

4 5

protons neutrons

A 27 33

B 27 60

C 60 27

D 60 87

This question paper consists of 19 printed pages and 1 blank page.SB (KN/TC) QK07573/3 UCLES 2000 [Turn over

International General Certificate of Secondary EducationUNIVERSITY OF CAMBRIDGE LOCAL EXAMINATIONS SYNDICATE

PHYSICS 0625/1PAPER 1 Multiple ChoiceTuesday 7 NOVEMBER 2000 Morning 45 minutesAdditional materials:

Electronic calculator and/or Mathematical tablesMultiple Choice answer sheetSoft clean eraserSoft pencil (type B or HB is recommended)

TIME 45 minutes

INSTRUCTIONS TO CANDIDATESDo not open this booklet until you are told to do so.Write your name, Centre number and candidate number on the answer sheet in the spaces providedunless this has already been done for you.There are forty questions in this paper. Answer all questions. For each question, there are four possible answers, A, B, C and D. Choose the one you consider correct and record your choice in softpencil on the separate answer sheet.Read very carefully the instructions on the answer sheet.

INFORMATION FOR CANDIDATESEach correct answer will score one mark. A mark will not be deducted for a wrong answer.Any rough working should be done in this booklet.

20625/1 W00

1 The diagram shows a measuring cylinder.

Which unit would be most suitable for its scale?

A mm2 B mm3 C cm2 D cm3

2 The diagrams show the times on a stopclock at the start and at the finish of an experiment.

How long did the experiment take?

A 10 s B 25 s C 35 s D 45 s

60

45 15

30

stopclockat start

S60

45 15

30

stopclockat finish

S

102030405060708090100

30625/1 W00 [Turn over

3 A ball is thrown up into the air. The diagram shows the balls path.

Ignoring air resistance, which statement about the acceleration of the ball is correct?

A It is least at point X.

B It is zero at point Y.

C It is greatest at point Z.

D It is the same at points X, Y and Z.

4 Which graph shows the speed of a stone, dropped from the top of a building, until it hits theground? (Assume there is no air resistance.)

00 00 00 00time

spee

d

A

time

spee

d

B

time

spee

d

C

time

spee

d

D

Y

X

Z

40625/1 W00

5 The diagram shows a book resting on a slope.

In which direction does the weight of the book act?

6 An astronaut has a mass of 60 kg on the Moon.

What is the mass of this astronaut on Earth?

A 6 kg B 60 kg C 60 N D 600 N

7 The table shows information about four objects.

Which two objects have the same density?

A P and Q B P and R C Q and S D R and S

A

B

D C

object mass/g volume/cm3P 30 6

Q 40 5R 50 10

S 50 4

50625/1 W00 [Turn over

8 A student tries to balance a 10 kg bag of rice on a pivoted beam, using a 5 kg bag of rice.

What should be done to balance the bags?

A add some rice to the 10 kg bag

B empty some rice out of the 5 kg bag

C move the pivot away from the 10 kg bag

D move the pivot towards the 10 kg bag

9 A hot-air balloon moves in the direction shown at constant speed and at constant height.W, X, Y and Z are the forces acting on the balloon.

Which statement about the forces is correct?

A Z is equal to X and W is equal to Y.

B Z is equal to X and W is less than Y.

C Z is less than X and W is equal to Y.

D Z is less than X and W is less than Y.

Y

W

X Z

direction ofmovement

pivot

10 kg

5 kg

60625/1 W00

10 The diagram shows the main parts of a hydroelectric power station.

Which energy change occurs in the generator?

A chemical to electrical

B electrical to chemical

C electrical to kinetic

D kinetic to electrical

11 Forces are used to move objects P, Q, R and S through the distances shown.

Which statement correctly describes the work done by each force?

A Most work is done in moving R.

B Most work is done in moving S.

C The same amount of work is done in moving P and Q.D The same amount of work is done in moving P and R.

P

Q

R

S

5 N

10 N

5 N

10 N

turbine

generator

water

damwall

70625/1 W00 [Turn over

12 The diagram shows a mercury barometer.

Which distance can be used to find atmospheric pressure?

A 25 cm B 75 cm C 80 cm D 100 cm

13 A child has a set of identical building blocks.

Which arrangement produces the least pressure on the floor?

14 Liquid evaporates from an open dish.

Which molecules of liquid are most likely to escape?

A all molecules with a little energy

B all molecules with a lot of energy

C surface molecules with a little energy

D surface molecules with a lot of energy

A

BC

D

mercury

25 cm

75 cm

5 cm

80625/1 W00

15 A lorry driver checks the pressure of the air in the tyres when the temperature is 5 C. After a longjourney, the tyres are hot and the pressure of the air in the tyres has increased.

Why has the pressure increased?

A Some air has leaked from the tyres during the journey.B The air in the tyres is less dense.

C The average speed of the air molecules is greater.

D The tyres have expanded and have a larger volume.

16 Long pipes that carry steam often have bends in them, as shown.

Why are these bends needed?

A to allow for expansion

B to allow for pressure changes

C to make the pipes stronger

D to reduce the flow of steam

17 A solid substance is heated. The graph shows the change in temperature of the substance withtime.

At which stage does melting take place?

stageA

stageB

stageC

stageD

time

temperature

90625/1 W00 [Turn over

18 At the end of a long race, a runner is wrapped in a thin, plastic blanket that has a shiny, metallicsurface.

Which type of heat loss is the shiny surface intended to reduce?

A conduction

B convection

C evaporation

D radiation

19 A woman stands by a fire to warm her hands and legs.

How does most of the heat reach her hands and legs?

hands legs

A convection convection

B radiation convection

C convection radiation

D radiation radiation

10

0625/1 W00

20 The diagram shows waves in a ripple tank passing from deep water to shallow water.

What happens to the speed and frequency of the waves?

21 The diagram represents a wave.

What is the amplitude and wavelength of the wave?

R

S

QPdisplacement

distance

shallow waterdeep water

wavefront

speed frequency

A decreases decreases

B decreases unchanged

C increases increases

D unchanged increases

amplitude wavelength

A P QB P R

C S QD S R

11

0625/1 W00 [Turn over

22 A paper-clip is placed in front of a plane mirror.

Which diagram shows the image formed behind the mirror?

23 A ray of white light passes into each glass block as shown.

Which block produces dispersion of the light?

A B C D

A B C D

paper-clip plane mirror

12

0625/1 W00

24 The diagram shows apparatus used to find what happens to the sound from an electric bell as airis removed from the container.

What happens to the sound of the electric bell heard from outside the container?

A It becomes louder.

B It becomes quieter.

C It becomes quieter, then louder.

D It remains the same.

electricbell

to vacuumpump

container

13

0625/1 W00 [Turn over

25 Two students stand 600 m apart.

They find that it takes 2 seconds for the sound from the starting pistol to travel from one student tothe other.

From these results, what is the speed of sound in air?

A 150 m/s B 300 m/s C 600 m/s D 1200 m/s

26 A piece of soft iron is placed in a coil. The switch is then closed.

What is the condition of the soft iron when the switch is open and when the switch is closed?

soft iron

switch open

600 m

student withstarting-pistol

student withstopwatch

not to scale

switch open switch closed

A magnetised magnetised

B magnetised unmagnetised

C unmagnetised magnetised

D unmagnetised unmagnetised

14

0625/1 W00

27 When a magnet is brought near some metals, it induces magnetic poles in the metals.

Which diagram shows the poles induced when a magnet is brought near to an unmagnetisedpiece of iron and to an unmagnetised piece of aluminium?

28 Which circuit shows how a voltmeter is connected to measure the potential difference across thecell?

V

A

V

BV

C D

V

NA

SS N

S Nmagnet

iron

aluminium

NB

SS N

(no poles)

(no poles)

magnet

iron

aluminium

NC

SN S

N Smagnet

iron

aluminium

ND

SN S

magnet

iron

aluminium

15

0625/1 W00 [Turn over

29 Which diagram shows the directions of the electrostatic forces acting on two positively chargedspheres?

30 What is the correct symbol for a fuse?

31 In which circuit is lamp L1 lit, but lamp L2 unlit?

A

L1 L2

B

L1 L2

C

L1 L2

D

L1 L2

A

B

C

D

+

+ + +

+ +

+

+A

C

B

D

16

0625/1 W00

32 The diagram shows the structure of a fuse.

What is the purpose of wire X?

A to decrease the resistance of the circuit

B to increase the current in the circuit

C to keep the end caps on

D to melt when the current becomes too large

33 A wiring diagram for car headlamps and parking lamps is shown.

Why are the lamps connected in parallel?

A so that, if one lamp goes out, the others will remain lit

B so that the current in each lamp is the same

C so that the lamps operate at normal brightness, even when the battery runs down

D so that the voltage across each lamp is one quarter of the battery voltage

36 W

36 W

5 W

5 W

ceramic case wire X

metal end cap

17

0625/1 W00 [Turn over

34 The diagram shows a step-up transformer.

What is stepped up by this type of transformer?

A current

B energy

C power

D voltage

35 Which diagram shows how a coil of wire and a magnet can be used to produce an electric currentthrough a meter?

coilgluedon tomagnet

S

N

A

S

N

S

N

B C

S

N

Dmagnet

movement

coil

meter

input(few turns)

output(many turns)

18

0625/1 W00

36 The diagram shows part of an alarm circuit.

What does the capacitor do?

A It detects changes in light intensity.

B It detects changes in temperature.

C It produces a magnetic field.

D It stores electrical energy.

37 The charges on the x-plates and y-plates of a cathode-ray oscilloscope cause the spot on thescreen to move to the position shown.

Which diagram shows how the plates are charged?

screen

spot

x-plate x-plate

y-plate

y-plate

capacitor

spot

_

_

+ +

spot

+

+

__

spot

_

_ _+

+

spot

_

+

+

A B C D

19

0625/1 W00

38 A piece of paper is placed between a radioactive source and a detector. What are the possibleradiations that can pass through the paper?

A alpha () radiation only.B alpha () and gamma () radiation only.C beta () and gamma () radiation only.D alpha (), beta () and gamma () radiation.

39 The graph shows how the activity of a radioactive substance changes with time.

What is the half-life of the substance?

A 1 min B 2 min C 3 min D 4 min

40 The diagram represents a helium atom.

What is the nucleon number (mass number) of the atom?

A 2 B 4 C 6 D 8

p pn n

e

e

e = electron

n = neutron

p = proton

= nucleus

key

0

100

0

200

300

400

500

600

700

800

1 2 3 4 5time/min

activitycounts/min

TIME 45 minutes

INSTRUCTIONS TO CANDIDATES

Do not open this booklet until you are told to do so.Write your name, Centre number and candidate number on the answer sheet in the spaces providedunless this has already been done for you.There are forty questions in this paper. Answer all questions. For each question, there are fourpossible answers, A, B, C and D. Choose the one you consider correct and record your choice insoft pencil on the separate answer sheet.Read very carefully the instructions on the answer sheet.

INFORMATION FOR CANDIDATES

Each correct answer will score one mark. A mark will not be deducted for a wrong answer.Any rough working should be done in this booklet.

International General Certificate of Secondary EducationUNIVERSITY OF CAMBRIDGE LOCAL EXAMINATIONS SYNDICATE

PHYSICS 0625/1PAPER 1 Multiple ChoiceMAY/JUNE SESSION 2001 45 minutesAdditional materials:

Multiple Choice answer sheetSoft clean eraserSoft pencil (type B or HB is recommended)

This question paper consists of 19 printed pages and 1 blank page. ND/CG QF10308/3 UCLES 2001 [Turn over

20625/1/M/J/01

1 A student measures the width of a book using a ruler.

Which diagram shows the best way to do this?

2 The diagrams show the times on a stopclock at the start and finish of an experiment.

How long did the experiment take?

A 10 s B 25 s C 35 s D 45 s

A 0 10 20

book

30 cm

0 10 20 30 cm

0 10 20 30 cm

0 10 20 30 cm

B

C

D

stopclockat start

60

s

30

45 15

stopclockat finish

60

s

30

45 15

30625/1/M/J/01 [Turn over

3 An apple falls from a tree. The diagram shows the apple at P, as it starts to fall, and at Q, justbefore it hits the ground. The acceleration due to gravity is g. Air resistance can be ignored.

What is the acceleration of the apple at position P and at position Q?

4 In a race, a car travels 60 times round a 3.6 km track. It takes 2.4 hours.

What is the average speed of the car?

A 2.5 km / h

B 90 km / h

C 144 km / h

D 216 km / h

P

Q

acceleration at P acceleration at Q

A 0 0

B 0 g

C g 0

D g g

40625/1/M/J/01

5 A spring is stretched by hanging a piece of metal from it.

What is the name given to the force that stretches the spring?

A friction

B mass

C pressure

D weight

6 A child of mass 40 kg sits on one end of a see-saw. The pivot is at the centre of the see-saw.There are four sacks of sand, each with a different mass, as shown.

How many of the sacks must be placed at X to balance the child?

A 1 B 2 C 3 D 4

7 An object has a mass of 75 g and a volume of 15 cm3.

What is its density?

A 0.2 g / cm3 B 5 g / cm3 C 60 g / cm3 D 90 g / cm3

spring

metal

see saw

pivot

30kg

X

20kg 10kg 5kg

40 kg

50625/1/M/J/01 [Turn over

8 The diagrams show a brick resting on a smooth surface. Two equal forces F act on the brick.

In which diagram does the brick not move?

9 Four rings are screwed into a door, as shown. The door can be opened by putting a hook intoone of the rings and pulling.

Which ring should be used if the pulling force is to be as small as possible?

A B

F

F F F

F F F

FC D

pull

AC

B

D

60625/1/M/J/01

10 A stone is thrown into the air. The diagram shows the path of the stone through the air.

At which position is the potential energy of the stone greatest?

11 Four weightlifters lift weights to different heights.

Which weightlifter does the most work?

A

B

C

D

1000 N liftedthrough 1.0 m

1000 N liftedthrough 1.2 m

1200 N liftedthrough 1.0 m

1200 N liftedthrough 1.2 m

A B C D

70625/1/M/J/01 [Turn over

12 The diagram shows a simple barometer.

Which distance should be measured to find the atmospheric pressure?

13 Two boys X and Y each have the same total weight and are standing on snow.

Which boy is more likely to sink into the snow and why?

vacuumA

B C Dmercury

trough

boy pressure on snow

A X larger than Y

B X smaller than Y

C Y larger than X

D Y smaller than X

X Y

80625/1/M/J/01

14 A student places his thumb firmly on the outlet of a bicycle pump, to stop the air coming out.

What happens to the pressure and the volume of the trapped air as the pump handle is pushedin?

15 To keep a bottle of milk cold without a refrigerator on a hot day, the bottle can be covered with adamp cloth in a bowl of water.

How does this method keep the milk cold?

A Milk condenses on the cloth.

B Milk evaporates from the cloth.

C Water condenses on the cloth.

D Water evaporates from the cloth.

direction ofmotion

handle

trapped air

pressure volume

A decreases decreases

B decreases remains the same

C increases decreases

D increases remains the same

bottle

damp cloth

milk

bowlwater

90625/1/M/J/01 [Turn over

16 The diagram shows a liquid-in-glass thermometer.

When the thermometer becomes hotter, the liquid moves further along the stem.

Why is this?

A The glass contracts.

B The glass expands.

C The liquid contracts.

D The liquid expands.

17 Two copper rods, A and C, and two copper tubes, B and D, have the same external diameter.

Which rod has the highest thermal capacity?

liquid glass bulb stem

0C 100C

AB

CD

10

0625/1/M/J/01

18 On a cold night, two children sit next to a camp fire to warm their hands. Their hands are thesame distance from the fire. Child 1 holds his hands over the fire and child 2 holds her hands infront of the fire.

How does the heat from the fire reach each childs hands?

19 An electric kettle contains a metal heating element.

What are the main processes by which heat energy is transferred from the element to the water,and throughout the water?

child 1's hands

child 2's hands

child 1 child 2

A convection only radiation only

B convection and radiation radiation only

C radiation only convection and radiation

D radiation only convection only

water

heating element

element to water throughout water

heat transfer process

A conduction convection

B convection radiation

C radiation conduction

D radiation convection

11

0625/1/M/J/01 [Turn over

20 The diagrams show four sources of waves.

Which source generates longitudinal waves?

21 The diagram shows a wave on the surface of some water.

At which two points are the molecules moving in the same vertical direction at the same time?

A P and QB P and T

C Q and TD R and S

DCBA

stick pushed upand down in water

radiotransmitter

loudspeaker lamp

P Q

STR

12

0625/1/M/J/01

22 The diagrams show a semi-circular glass block.

Which diagram correctly shows the path of the ray of light and the critical angle c?

23 A student copies a diagram of the electromagnetic spectrum but makes a mistake.

Which two names should be interchanged so that the order is correct?

A infra-red waves and radio waves

B infra-red waves and ultra-violet waves

C radio waves and visible light

D ultra-violet waves and X-rays

24 An electric bell is ringing inside a glass dome.

In which situation would the bell sound quietest?

A

c

c c

c

B

C D

radiowaves

micro-waves

infra-redwaves

visiblelight

X-rays

ultra-violetwaves

gammarays

long wavelength short wavelength

vacuum

electricbell

glassdome

air

A B C D

carbondioxide

oxygen

electricbell

glassdome

13

0625/1/M/J/01 [Turn over

25 In a test, a car horn is found to be too loud and the pitch of the note is too high. What informationdoes this give about the amplitude and the frequency of the sound wave produced?

26 The diagrams show a magnetised piece of steel being moved slowly to the left.

Which diagram shows the best method of demagnetising the steel?

amplitude frequency

A too large too large

B too large too small

C too small too large

D too small too small

steel

A B

C D

steel steel

steel

magnet magnet

d.c. a.c.

N

S

S

N

14

0625/1/M/J/01

27 The diagram shows some nails attracted to a metal rod by magnetic induction.

From what could the metal rod be made?

A aluminium

B copper

C iron

D magnesium

28 What is the unit of potential difference?

A jouleB newton

C volt

D watt

S

N

permanentmagnet

metalrod

nails

15

0625/1/M/J/01 [Turn over

29 A plastic strip is rubbed on a piece of cloth and then held near water running slowly from a tap.The water moves towards the plastic strip.

Why does this happen?

A The plastic strip cools the water.

B The plastic strip warms the water.

C There is a magnetic force on the water.

D There is an electrostatic force on the water.

30 The diagrams show part of an electric circuit containing an ammeter and a voltmeter.

Which arrangement should be used to measure the p.d. across the resistor and the currentthrough it?

water

tap

plastic strip

A V V

V

A

AA

V

C D

A B

16

0625/1/M/J/01

31 The circuits contain identical lamps and identical cells.

In which circuit will the lamps be brightest?

32 Why are lamps in the lighting circuit of a house connected in parallel and not in series?

A It allows them to be switched on and off independently.

B It uses less electrical energy.

C The filaments are less likely to burn out.

D The p.d. across each lamp is reduced.

33 A builder plugs an electric drill into a socket inside a house.

He uses the drill outdoors. It starts to rain heavily.

Why is it dangerous to continue using the electric drill in the rain?

A The drill could give the builder an electric shock.

B The drill could overheat.

C The fuse could blow.

D The rain could rust the drill.

A B C D

electric cable

house

17

0625/1/M/J/01 [Turn over

34 A wire is placed between the poles of a magnet and is briefly connected to a cell. It experiencesa downwards force.

The cell is now reversed so that it is connected the other way round.

What happens to the direction of the magnetic field of the magnet and to the direction of theforce on the wire?

35 The diagram represents a transformer.

Which arrangement would make the output voltage higher than the input voltage?

magnet

downwardsforce

direction of magnetic field direction of force

A reversed reversed

B reversed unchanged

C unchanged reversed

D unchanged unchanged

number of turns on number of turns on type of inputprimary coil P secondary coil S voltage

A 50 100 a.c.

B 50 100 d.c.

C 100 50 a.c.

D 100 50 d.c.

inputvoltage P S

outputvoltage

18

0625/1/M/J/01

36 Which circuit will act as a variable potential divider?

37 The circuit shown contains a light dependent resistor (LDR) and an ammeter, in series with abattery.

How does the circuit behave when more light shines on it?

A

input inputoutput

inputoutput

input output

output

B

C D

A

resistance of LDR current through ammeter

A decreases decreases

B decreases increases

C increases decreases

D increases increases

19

0625/1/M/J/01

38 A thick sheet of paper is placed between a radioactive source and a detector.

Which types of radiation can pass through the paper?

A alpha-particles, beta-particles and gamma radiation

B alpha-particles and gamma radiation

C alpha-particles and beta-particles

D beta-particles and gamma radiation

39 The count rate of radiation produced by a radioactive sample is measured every minute. Theresults are recorded in the table.

What is the half-life of the radioactive material?

A minute B 2 minutes C 2 minutes D 5 minutes

40 A nuclide of lithium contains 3 protons and 4 neutrons.

Which symbol represents this nuclide?

A 43 Li B 34 Li C 73 Li D 37 Li

sheet of paperradioactivesource

detector

time / minutes count rate / per second

0 801 562 403 284 205 14

TIME 45 minutes

INSTRUCTIONS TO CANDIDATES

Do not open this booklet until you are told to do so.Write your name, Centre number and candidate number on the answer sheet in the spaces providedunless this has already been done for you.There are forty questions in this paper. Answer all questions. For each question, there are fourpossible answers, A, B, C and D. Choose the one you consider correct and record your choice insoft pencil on the separate answer sheet.Read very carefully the instructions on the answer sheet.

INFORMATION FOR CANDIDATES

Each correct answer will score one mark. A mark will not be deducted for a wrong answer.Any rough working should be done in this booklet.

International General Certificate of Secondary EducationUNIVERSITY OF CAMBRIDGE LOCAL EXAMINATIONS SYNDICATE

PHYSICS 0625/1PAPER 1 Multiple ChoiceOCTOBER/NOVEMBER SESSION 2001 45 minutesAdditional materials:

Multiple Choice answer sheetSoft clean eraserSoft pencil (type B or HB is recommended)

This question paper consists of 21 printed pages and 3 blank pages. SPA (ND/CG) S09093/4 UCLES 2001 [Turn over

20625/1/O/N/01

1 The diagram shows a measuring cylinder.

What volume of liquid does the cylinder contain?

A 5.5 cm3 B 5.7 cm3 C 6.5 cm3 D 6.7 cm3

2 The diagram shows a thick-walled tube. The thickness of the wall is 3 mm.

What is the internal diameter d of the tube?

A 2.8 cm B 3.1 cm C 3.4 cm D 7.4 cm

1

2

3

4

5

6

7

8

9

10cm3

1 2 3 4 5

d

6 7 8 9 10 110 cm

30625/1/O/N/01 [Turn over

3 An object moves initially with constant speed and then with constant acceleration.

Which graph shows this motion?

4 A motorist travels 200 km.

After travelling along a fast road for 2 hours, the motorist uses a slow road for the remaining hour of the journey.

What is the average speed of the car?

A 80 km / h B 100 km / h C 400 km / h D 500 km / h

00

00

00

00

speedspeed

speed

timetime

time

A B

C D

time

speed

start

slow road hour

finish

1 2/fast road 2 hours

40625/1/O/N/01

5 Which of the following has the same unit as weight?

A energy

B force

C mass

D power

6 The mass of an astronaut is 70 kg on the Moon.

What is the astronauts mass on Earth?

A 7 kg B 70 kg C 80 kg D 700 kg

7 Which of the following is a unit of density?

A cm3 / g

B g / cm2

C g / cm3

D kg / m2

8 A student carries out an experiment to plot an extension/load graph for a spring. The diagramsshow the apparatus at the start of the experiment and with a load added.

What is the extension caused by the load?

A x B y C y + x D y x

start

x y

with load added

50625/1/O/N/01 [Turn over

9 Diagram X shows the directions of the horizontal forces acting on a van when it is movingforward at constant speed.

Diagram Y shows the directions of the horizontal forces acting on the same van when it isaccelerating.

Which of the following describes the sizes of the forces Q, R, S and T?

force Q

diagram X(constant speed)

force RCIE

diagram Y(accelerating)

force S force T

CIE

diagram X diagram Y(constant speed) (accelerating)

A Q less than R S less than TB Q less than R S equal to TC Q equal to R S less than TD Q equal to R S equal to T

60625/1/O/N/01

10 A pole-vaulter runs up to a jump with his pole straight. He puts one end of the pole down on theground and the pole bends.

Which form of energy is stored in the pole because it is bent?

A chemical

B gravitational

C motion

D strain

11 A ball is allowed to roll down a slope, as shown in the diagram. There is no friction.

At which point does the ball have the greatest energy of motion (kinetic energy)?

pole

before after

start

A

BC

D

70625/1/O/N/01 [Turn over

12 A pin is squeezed between finger and thumb.

Which statement is correct?

A The force of the pin is larger on the finger than on the thumb.

B The force of the pin is larger on the thumb than on the finger.

C The pressure of the pin is larger on the finger than on the thumb.

D The pressure of the pin is larger on the thumb than on the finger.

13 The diagram shows a manometer attached to an inflated balloon.

What does the difference between the mercury levels show?

A The air pressure inside the balloon is greater than atmospheric pressure.

B The air pressure outside the balloon is greater than the pressure inside the balloon.

C The air pressure in the left and right sides of the tube is equal.

D The air pressure in the left side of the tube is greater than the pressure on the right side.

fingerpinheadpin

thumb

mercury

balloon

80625/1/O/N/01

14 A gas is heated at constant volume.

What happens to its pressure and the speed of its molecules?

15 The table lists the melting points and the boiling points of four different substances.

Which substance is a gas at 25 C?

16 In an experiment, a piece of melting ice and a beaker of boiling water are in a laboratory which isat 20 C.

What is happening to the temperature of the melting ice and of the boiling water?

gas pressure speed of molecules

A decreases decreases

B decreases increases

C increases decreases

D increases increases

melting point / C boiling point / C

A -219 -183

B -7 58

C 98 890

D 1083 2582

melting ice

boiling water

Bunsen burnerheating water

temperature of the temperature of themelting ice boiling water

A constant constant

B constant increasing

C increasing constant

D increasing increasing

90625/1/O/N/01 [Turn over

17 The glass stopper in the neck of a glass bottle is too tight to come out.

Which diagram shows the best way to loosen the stopper?

18 A camper warms her hands near a gas lamp.

Which waves carry most heat to her hands, and are these waves electromagnetic?

waves electromagnetic

A infra-red no

B infra-red yes

C light no

D light yes

in a stream ofhot water for ashort time

A B C D

inside a warmoven for along time

inside a refrigeratorfor a long time

in a stream ofcold water for ashort time

10

0625/1/O/N/01

19 An experiment is set up to find out which metal is the best conductor of heat. Metal balls arestuck with wax to rods made of different metals, as shown in diagram X.

The rods are heated at one end. Some of the balls fall off, leaving some as shown in diagram Y.

Which metal is the best conductor of heat?

20 Plane water waves are approaching a narrow gap in a barrier.

Which diagram shows the diffraction pattern?

heatdiagram X

before heating

heatdiagram Y

D

C

B

Aafter heating

A

C

B

D

11

0625/1/O/N/01 [Turn over

21 The diagram shows four waves drawn to the same scale.

Which statement is correct?

A The amplitude of wave P is the same as the amplitude of wave R.

B The amplitude of wave S is double the amplitude of wave Q.C The wavelength of wave Q is double the wavelength of wave P.D The wavelength of wave S is the same as the wavelength of wave Q.

22 Which diagram shows how a ray of light passes through a glass prism in a periscope?

A B C D

0

P Q

R

000

distancedistance

distancedistance

S

00

00

12

0625/1/O/N/01

23 The diagram shows a section of the electromagnetic spectrum.

How do the frequency and the speed of gamma rays compare with those of visible light?

24 Which change would make a sound louder?

A decreasing the amplitude of the wave

B increasing the amplitude of the wave

C decreasing the wavelength

D increasing the wavelength

gamma-rays X-rays

visible light

ultra-violet rays

frequency speed in a vacuum

A gamma greater same

B visible greater same

C gamma greater gamma faster

D visible greater visible faster

13

0625/1/O/N/01 [Turn over

25 A lighted candle is put in front of a loudspeaker which is making a loud, steady note. The flamevibrates because of the sound wave.

Which type of waves are sound waves and in which direction does the flame vibrate?

26 When a magnet is brought close to an unmagnetised piece of iron, the iron becomesmagnetised.

Which diagram correctly shows the magnetic poles induced in the iron?

type of wave direction of vibration

A longitudinal

B transverse

C longitudinal

D transverse

loudspeaker candle

magnet

A B C D

magnet

iron ironiron

S NN S NSSN

S

N

S

N

S

N

S

N

iron

14

0625/1/O/N/01

27 Two rods X and Y look the same.

The N pole of a magnet is brought close, in turn, to each end of both rods. The results of thesefour actions are shown in the table.

Which of the rods is a magnet?

A neither of the rods

B both of the rods

C rod X only

D rod Y only

rod Y

rod X

magnet

N

P

Q

R

S

S

end tested result

P attraction

Q attractionR attraction

S repulsion

15

0625/1/O/N/01 [Turn over

28 Which circuit could be used to find the resistance of resistor R?

29 A polythene rod repels an inflated balloon hanging from a nylon thread.

What charges must the rod and the balloon carry?

A The rod and the balloon carry opposite charges.

B The rod and the balloon carry like charges.

C The rod is charged but the balloon is not.

D The balloon is charged but the rod is not.

30 An electrical component is to be placed in the circuit at Z, to allow the brightness of the lamp tobe varied from bright to dim.

What should be connected at Z?

A B

C D

V

V

A

A

V

A A

R R

R

R

V

Z

A B C D

V

16

0625/1/O/N/01

31 A student uses four ammeters to measure the current in different parts of a circuit.

Which two ammeters will each read the largest current?

A P and QB P and R

C R and QD R and S

32 Four lamps are each labelled 240 V, 60 W.

In which circuit would all four lamps have the correct brightness?

240 V

240 V

B

240 V

C D

240 V

A

AA

P

R

S

Q

A

A

10

20

17

0625/1/O/N/01 [Turn over

33 A student makes the circuit shown.

The fuse has blown and stopped the current.

What could have caused this?

A A 3 A fuse should have been used.

B The lamp was loose.

C The current was too large.

D The voltage was too small.

34 A coil is connected to a battery and a soft-iron bar is hung near to it.

The current is then reversed by reversing the battery connections.

How does the soft iron bar behave in the two cases?

5 A fuse

soft ironcoil

with the battery as shown with the battery reversed

A attracted to the coil attracted to the coil

B attracted to the coil repelled from the coil

C repelled from the coil attracted to the coil

D repelled from the coil repelled from the coil

18

0625/1/O/N/01

35 A wire carries an electric current between the poles of a magnet. This causes a force thatpushes the wire upwards.

The poles of the magnet and the direction of the current are both reversed.

Which arrow now shows the direction of the force on the wire?

S N

current intopage

force on wire

A

C

BDN S

current outof page

force on wire

19

0625/1/O/N/01 [Turn over

36 Which graph shows how a thermistor could behave?

37 The diagram shows a circuit which includes a switch and a capacitor.

What happens to the capacitor when the switch is at X and when it is at Y?

X

Y

switch

capacitor

resistance

resistance

resistance

brightness of light brightness of light00

00

00

00

A

C

B

D

temperature temperature

resistance

switch at X switch at Y

A charging charging

B charging discharging

C discharging charging

D discharging discharging

20

0625/1/O/N/01

38 The graph shows the activity of a radioactive source over a period of time.

What is the half-life of the source?

A 1 minute B 2 minutes C 2 minutes D 4 minutes

39 The diagram shows five atoms in a radioactive substance. The atoms give out alpha-particles.

Atom 1 is the first to give out a particle. Atom 3 is the second to give out a particle.

Which atom will give out the next particle?

A atom 2

B atom 4

C atom 5

D it is impossible to tell

120

90activity/counts persecond

60

30

00 1 2

time/minutes3 4 5

atom1

atom2

1st particle

2nd particle

atom3

atom4

atom5

21

0625/1/O/N/01

40 The diagram shows the particles in an atom. Charged particles are marked + or .

What is the nucleon number (mass number) of the atom?

A 4 B 5 C 9 D 13

TIME 45 minutes

INSTRUCTIONS TO CANDIDATES

Do not open this booklet until you are told to do so.Write your name, Centre number and candidate number on the answer sheet in the spaces providedunless this has already been done for you.There are forty questions in this paper. Answer all questions. For each question, there are fourpossible answers, A, B, C and D. Choose the one you consider correct and record your choice insoft pencil on the separate answer sheet.Read very carefully the instructions on the answer sheet.

INFORMATION FOR CANDIDATES

Each correct answer will score one mark. A mark will not be deducted for a wrong answer.Any rough working should be done in this booklet.

International General Certificate of Secondary EducationCAMBRIDGE INTERNATIONAL EXAMINATIONS

PHYSICS 0625/1PAPER 1 Multiple Choice

OCTOBER/NOVEMBER SESSION 200245 minutes

Additional materials:Multiple Choice answer sheetSoft clean eraserSoft pencil (type B or HB is recommended)

This question paper consists of 18 printed pages and 2 blank pages. SP (AT/KN) S24280/2 CIE 2002 [Turn over

www.XtremePapers.com

20625/1/O/N/02

1 The diagram shows a stopwatch, originally set at 00:00.

When a car was first seen, the stop-start button was pressed. When the car passed the observer,the stopwatch showed 01:06.

How long did the car take to reach the observer?

A 1.06 seconds

B 6 seconds

C 66 seconds

D 106 seconds

2 A girl uses a rule to measure the length of a metal rod. Because the end of the rule is damaged,she places one end of the rod at the 1 cm mark as shown.

How long is the metal rod?

A 43 mm B 46 mm C 53 mm D 56 mm

1 2 3 4 5 6 7cm

metal rod

damagedend

01 : 06

stop-start buttonmin s

30625/1/O/N/02 [Turn over

3 A stone falls freely from the top of a cliff into the sea. Air resistance may be ignored.

Which graph shows how the acceleration of the stone varies with time as it falls?

4 A child is standing on the platform of a station, watching the trains.

A train travelling at 30 m / s takes 3 s to pass the child.

What is the length of the train?

A 10 m B 30 m C 90 m D 270 m

5 Which of the following statements is correct?

A Mass and weight are different names for the same thing.

B The mass of an object is different if the object is taken to the Moon.C The weight of a car is one of the forces acting on the car.

D The weight of a chocolate bar is measured in kilograms.

acceleration

time00

A

acceleration

time00

B

acceleration

time00

C

acceleration

time00

D

40625/1/O/N/02

6 In an experiment, six identical bags of flour are balanced by a 9 kg mass.

Two bags of flour are removed. What mass will balance the remaining bags?

A 3 kg B 6 kg C 7 kg D 9 kg

7 The masses of a measuring cylinder before and after pouring some liquid are shown in thediagram.

What is the density of the liquid?

A g / cm3 B g / cm3 C g / cm3 D g / cm3

8 In which of these situations is no resultant force needed?

A a car changing direction

B a car moving in a straight line at a steady speed

C a car slowing down

D a car speeding up

cm3

50

100

mass = 140 g

cm3

50

100

mass = 217 g

liquid

six bagsof flour

9 kg mass

pivot

21752

21770

7752

7770

50625/1/O/N/02 [Turn over

9 The diagram shows sections of four objects, all of equal mass. The position of the centre of massof each object has been marked with a cross.

Which object is the most stable?

10 A car accelerates along a road as it rises uphill.

Which energy changes are taking place?

11 In a car engine, energy stored in the fuel is converted into thermal energy (heat energy) andenergy of motion (kinetic energy).

In which form is the energy stored in the fuel?

A chemical

B geothermal

C hydroelectric

D nuclear

A B C D

energy of motion energy of position(kinetic energy) (gravitational potential energy)

A decreasing decreasing

B decreasing increasing

C increasing decreasing

D increasing increasing

60625/1/O/N/02

12 The diagram shows a simple mercury barometer.

If atmospheric pressure increases, what happens to level X and to level Y?

13 Four flower vases have circular bases. They are filled with water so that they all have the sameweight.

Which vase exerts the greatest pressure on its base?

14 Some gas in a sealed plastic bag is placed in a refrigerator to cool down.

How do the gas molecules behave when this happens?

A They move more quickly and are closer together.

B They move more quickly and are further apart.

C They move more slowly and are closer together.

D They move more slowly and are further apart.

A B C D

vacuum

level X

level Ymercury

level X level Y

A goes down goes down

B goes down goes up

C goes up goes down

D goes up goes up

70625/1/O/N/02 [Turn over

15 A measured mass of gas is placed in a cylinder at atmospheric pressure and is then slowlycompressed.

If the temperature of the gas does not change, what happens to the pressure of the gas?

A It drops to zero.

B It decreases, but not to zero.

C It stays the same.

D It increases.

16 A mercury-in-glass thermometer is to be used to measure temperatures from 0 C to 100 C.

Why is mercury suitable?

A Mercury expands when heated.

B Mercury has a boiling point below 100 C.

C Mercury has a melting point above 0 C.

D Mercury is a poor conductor.

17 A block of ice is heated at a constant rate. Eventually the melted ice boils.

The graph shows how the temperature changes with time.

How many minutes did it take to melt all the ice?

A 4 B 7 C 11 D 13

0 5 10time / minutes

0

100

temperature / C

piston

gaspiston pushed in

80625/1/O/N/02

18 How does thermal energy (heat energy) travel through the vacuum between the Earth and theSun?

A by conduction

B by convection

C by radiation

D by radioactive decay

19 Two plastic cups are placed one inside the other. Hot water is poured into the inner cup and a lidis put on top as shown.

Which statement is correct?

A Heat loss by radiation is prevented by the small air gap.

B No heat passes through the sides of either cup.

C The bench is heated by convection from the bottom of the outer cup.

D The lid is used to reduce heat loss by convection.

benchhot watersmall air gapsmall spacer

lid

90625/1/O/N/02 [Turn over

20 Waves are sent along two long springs X and Y as shown.

How should the wave motions in X and Y be described?

21 Radio waves are received at a house at the bottom of a hill.

The waves reach the house because the hill has caused them to be

A diffracted.

B radiated.

C reflected.

D refracted.

hill

side toside

movement

backwardand

forwardmovement

direction ofwave travel

direction ofwave travel

spring X

spring Y

spring X spring Y

A longitudinal longitudinal

B longitudinal transverse

C transverse longitudinal

D transverse transverse

10

0625/1/O/N/02

22 One of the effects of passing a ray of white light through a prism is to split the light into colours.

What is the name given to this effect?

A deviation

B dispersion

C reflection

D refraction

23 A student looks at the letter P on a piece of paper, and at its reflection in a mirror.

What does he see?

24 Which of the following can be heard by the human ear?

A A whistle emitting a wave of frequency 50 kHz.

B A bat emitting a wave of frequency of 30 kHz.

C An insect emitting a wave of 300 Hz.

D A vibrating spring emitting a wave of frequency of 5 Hz.

A B C Dmirror mirror

paperpaper

prism

coloured lightwhite light

11

0625/1/O/N/02 [Turn over

25 Two sound waves P and Q are displayed on an oscilloscope with the same time-base andY-plate settings for each.

Which statement correctly describes the pitch and the loudness of the two sounds?

A P has a higher pitch and is louder than Q.B P has a higher pitch and is quieter than Q.C P has a lower pitch and is louder than Q.D P has a lower pitch and is quieter than Q.

26 A piece of magnetised steel is placed inside a coil of wire that has a large alternating currentpassing through it. The magnet is slowly moved out of the coil to position P.

How has the steel changed when it reaches P?

A It has become demagnetised.

B There has been no change.

C It has become a stronger magnet.

D The poles have changed ends.

12 V a.c.

steel magnet movedout of coil P

P Q

12

0625/1/O/N/02

27 A permanent magnet is placed close to a bar of soft iron PQ.

What happens?

A P becomes a north pole.

B P becomes a south pole.

C PQ does not become magnetised.D The poles of the magnet are reversed.

28 In which circuit does the ammeter read the total current through both resistors?

A

A

A

C

A

B

D

A

S N P Qpermanentmagnet soft-iron bar

13

0625/1/O/N/02 [Turn