PHYSICS

Paper 1 Multiple Choice

45 minutes

Additional Materials: Multiple Choice Answer Sheet

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READ THESE INSTRUCTION FIRST

There are 40 questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D.

Choose your answer and blacken the space inside the answer sheet.

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(a) (b)

1. Diagram 1 (a) shows the reading on a pair of vernier callipers when its jaws are closed

with nothing in between them. Diagram 1(b) shows the reading when it is used to

measure the thickness of a piece of wood.

What is the actual thicknesss of the wood?

A 4.28 cm

B 4.34 cm

C 4.48 cm

D 4.54 cm

2. Which physical quantity has the correct S.I unit?

Physical quantity S.I Unit

A Mass Newton

B Length Kilometer

C Time Second

D Temperature Celcius

3. Which of the following quantities below is a base quantity?

A Momentum

B Temperature

C Velocity

D Force

DIAGRAM 1

4. Which of the following prefixes are arranged in descending order?

A. giga, mega, kilo, terra

B. terra, giga, mega, kilo

C. kilo, mega, giga, terra

D. mega, giga, kilo, terra

5. Which of the following is not an area of Physics?

A. Geometry

B. Wave

C. Heat

D. Mechanics

6. Which of the following units is equivalent to N?

A ms-1

B kgms-1

C kgms-2

D Js-1

7. Which of the following is correct?

scalar quantity vector quantity

A. force velocity

B. power speed

C. momentum mass

D. time displacement

8. The diagram shows an aeroplane flying at a constant velocity.

Which relationship between the forces is true?

A U = W

B F > G

C U < W

D F = G

9. The diagram shows a book falling down from a table.

Which physical quantity of the book increases while it is falling?

A mass

B momentum

C acceleration

D potential energy

10. Which one of the following activities does not apply the turning effect of a

force?

A. swinging on a swing

B. sliding down a slide

C. moving up and down on the see-saw

D. rowing a boat

 

11. Which one of the following quantities is zero when a uniform rod is supported

in the middle?

A. mass

B. weight

C. pressure

D. moment

 

12. When a body is at rest, it obeys the

A. principle of momentum

B. Archimede's principle

C. principle of moments

D. principle of inertia

 

13. A uniform metre ruler of weight 0.2N balances at the 60-cm mark when a

weight W is placed at the 80-cm mark. What is the value of W?

A. 0.1N

B. 0.15N

C. 0.2N

D. 0.2667N

 

14. Which one of the following measuring instruments works on the principle of

moments?

A. spring balance

B. single pan beam balance

C. micrometer

D. vernier calipers

 

15. A uniform rod of weight 5N and length 1m is pivoted at a point 20cm from one

of its ends. A weight is hung from the other end so that the rod balances horizontally.

What is the value of the weight?

A. 0 N

B. 0.05 N

C. 5 N

D. 7.5 N

 

16. An object will not turn if the applied force on it

A. does not reach its maximum

B. does not produce a moment

C. passes through its centre of mass

D. passes through its centre of gravity

 

17. Levers are classified into different types according to the position of its

A. pivot, load/weight and force

B. centre of gravity

C. centre of mass

D. moment and load

 

18. Which one of the following statements does not describe a pair of scissors?

A. its pivot lies between the load and the effort

B. it is a lever of type 1

C. it works on the turning effect of a force

D. it does not have a centre of mass

 

 

19. The centre of mass of a body

A. has a fixed position

B. depends on the pull of gravity

C. is always outside the body

D. must be in a solid part of the body

 

20. A drinking glass has a low centre of gravity because

A. it is heavy

B. it is tall

C. it has a broad base

D. its contents are heavy

 

21. When a body is in neutral equilibrium, any displacement will

A. raise its centre of gravity

B. lower its centre of gravity

C. neither raise nor lower its centre of gravity

D. return the body to its original position

22. 0.05km written in the standard form is

A. 5/100 km

B. 0.5 x 10-1km

C. 5 x 10-2km

D. 40 x 10-3km

 

23. To measure length using a metre rule, wrong positioning of the eye leads to

A. parallax error

B. eye error

C. zero error

D. metre error

 

24. Which of the following instruments is most suitable for measuring the internal

diameter of a 100ml beaker?

A. metre rule

B. vernier calipers

C. measuring tape

D. external calipers

 

25. The  mass of an object is reduced if its

A. state is changed

B. amount of matter is decreased

C. surface area is decreased

D. volume is increased

 

26. A cuboid with length 3cm, width 4cm and height 10cm is made from wood of

density 0.5gcm-3. The mass of the cuboid is

A. 17.5g

B. 60g

C. 120g

D. 240g

 

27. It is easier to float in the sea than in a swimming pool because

A. the seawater is denser than the water in the pool

B. the seawater is less dense than the water in the pool

C. the seawater is warmer than the water in the pool

D. the seawater is cooler than the water in the pool

 

28. To correct a fast-running pendulum clock, 

A. decrease the length of the pendulum

B. increase the length of the pendulum

C. increase the mass of the pendulum bob

D. decrease the mass of the pendulum

 

29. A ticker-tape timer vibrates 10 times a second. What is the time interval

between two consecutive dots?

A. 0.1s

B. 1s

C. 2s

D. 10s

 

30. The bob of a simple pendulum takes 18.8s to swing from P to Q and back to P

again twenty times. What is the period of the pendulum?

A. 0.47s

B 0.94s

C. 1.88s

D. 3.96s

 

31. A box weighs 100N on Earth. Given that the acceleration due to gravity is

10ms-2 on Earth and the acceleration due to gravity is 4ms-2 on Mars, what is the

mass and weight of the box on Mars?

       Mass                Weight

A.   10kg                    100N

B.   10kg                    40N

C.    25kg                   100N

D.   25kg                    40N

32. A trolley of mass 1.5kg is placed on a smooth table. If a constant force of 6N

acts on the trolley, the acceleration produced by the force will be

A. 0.25 ms-2

B. 4 ms-2

C. 4.5 ms-2

D. 7.5 ms-2

 

33. An object of mass 2 kg moves with uniform velocity when a constant force of

10 N acts on it. When the force is increased to 20 N, the acceleration will be

A. 4 ms-2

B. 5 ms-2

C. 6 ms-2

D. 10 ms-2

 

34. The weight of a rocket in outer space is zero because

A. its mass becomes zero

B. there is no frictional force

C. there is no gravitational force

D. the rocket is stationary

35. Which of the following is a vector?

A. area

B. volume

C. density

D. force

 

36. The displacement of an object from a fixed point is the distance moved by the

object

A. in a particular interval of time

B. in a particular direction

C. at a constant speed

D. at a constant velocity

 

37. A car accelerates from rest at 5 ms-2 for 0.5 minute. The final velocity of the

car is

A. 150 ms-1

B. 5.5 ms-1

C. 10 ms-1

D. 2.5 ms-1

 

38. When the brakes of a bicycle were applied, the bicycle was brought to rest

from 4ms-1 in 2 minutes. What is the acceleration of the bicycle?

A. -1/30 ms-2

B. 1/30 ms-2

C. -2 ms-2

D. 2 ms-2

 

39. An object has been falling freely from rest for 3 s. The maximum velocity of

the object is

A. 30 ms-1

B. 3.3 ms-1

C. 10 ms-1

D. 13 ms-1

 

40. A cyclist riding at a speed of 5 m/s braked with uniform deceleration and

stopped in 3 m. How long is the time did she take to stop?

A. 0.6 s

B. 1.2 s

C. 1.33 s

D. 3.0 s

E. 7.5 s