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CLASS : 10

SUBJECT : ENGLISH

1. Write the character sketch of the following.

a. Maratha Washington.

b .Miss Sullivan.

c. Mr. Gilman.

d. Mr. Alexander Graham Bell.

2. Answer the following questions.

a. What was Helens memory of Radcliffe?

b. What was the incident of Frost King? How did it affect her?

c. The plagiarism had shaken Helens confidence and demoralized her.

How did she regain her confidence in life?

d. Helens struggle has become a source of inspiration for all less fortunate. Comment.

e. How did Helen Kellers book prove to be inspiring to others?

1st

JANUARY 2017.

PONGAL HOLIDAYS HOME WORK

CLASS : 10 th

SUB : HINDI 2nd

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Sree Sainath Nagar,Tirupati 517102

WORK SHEET

Class : 10th

Subject : Telugu 2nd

Language

HOLIDAY HOME WORK (Revision Work sheet)

Subject: Mathematics Class: X

1. The area of the shaded region in the figure if AC=24 cm ,BC=10 cm and o is the center of the circle (use

[Ans: 145.33 cm2] A

C

B

2. The inner circumference of a circular track is 440m. The track is 14m wide. Find the diameter of the outer circle

of the track. [Take =22/7] [Ans:168]

3. Find the area of the shaded region. [Ans:9.625 m2]

4. A copper wire when bent in the form of a square encloses an area of 121 cm2. If the same wire is bent into the

form of a circle, find the area of the circle (Use =22/7) [Ans:154 cm2]

5. In fig, find the area of the shaded region [use [Ans: 72.67 cm2]

o

6. In fig. the shape of the top of a table in a restaurant is that of a sector of a circle with centre 0 and BOD=900. If OB=OD=60cm find

(i) The area of the top of the table [Ans: 8478 cm2]

(ii) The perimeter of the table top (Take [Ans: 402.60 cm]

7. The length of a minor arc is 2/9 of the circumference of the circle. Write the measure of the angle subtended by the arc at the center of the circle. [Ans: 800]

8. The area of an equilateral triangle is 493 cm2. Taking each angular point as center, circles are drawn with radii equal to half the length of the side of the triangle. Find the area of triangle not included in the circles.

[Take 3=1.73] [Ans: 777cm2]

9. Two circles touch externally. The sum of their areas is 130 cm2 and distance between their centers is 14 cm. Find the radii of circles.

10. Two circles touch internally. The sum of their areas is 116 cm2 and the distance between their centers is 6 cm. Find the radii of circles.

11. Solid metallic spheres of radii 3 cm , 4cm and 5cm respectively are melted to form a single solid sphere. Find the diameter of the resulting sphere. [Ans: 12 cm]

12. Find the number of coins 1.5 cm in diameter and 0.2 cm thick to be melted to form a right circular cylinder of height 10 cm and diameter 4.5 cm. [Ans:450]

13. The rain water from a roof 22m x 20m drains into a cylindrical vessel having diameter of base 2 m and height 3.5 of the vessel is just full. Find the rainfall in cm. [Ans: 2.5 cm]

14. The radius of the base and the height of a solid right circular cylinder are in the ratio of 2:3 and its volume is 1617 cm2. Find the total surface area of the cylinder. [Ans:770 cm2]

15. A semispherical bowl of internal radius 9 cm is full of liquid. The liquid is to be filled into cylindrical shaped small bottles each of diameter 3 cm and height 4 cm. How many bottles are needed to empty the bowl?

[Ans: 54]

16. A sphere of diameter 12 cm is dropped in a right circular cylindrical vessel partly filled with water. If the sphere is completely submerged in water, the water level in the cylindrical vessel rises by 3 5/9 cm. Find the diameter

of the cylindrical vessel. [Ans:180cm]

17. A bucket made up of metal sheet in the form of a frustum of a cone. Its depth is 24 cm and the diameters of the top and bottom are 30cm and 10cm respectively. Find the cost of milk which can completely fill the bucket at

rate of Rs 20 per metre and the cost of the metal sheet used, if it costs Rs 10 per 100 cm2.(use

[Ans: Rs163.28, Rs 171.13]

18. A vessel is in the form of a semi spherical bowl mounted by a hollow cylinder. The diameter of the Hemisphere is 14cm and the total height of the vessel is 13 cm. Find the capacity of the vessel.(Take x=22/7]

[Ans:1642.67 cm3 approx]

19. If the radii of the ends of a bucket, 45 cm height, are 28 cm and 7 cm determine the capacity and total surface area of the bucket, [Ans: 4850 cm3,5616.6cm2]

20. A toy is in the form of a cone mounted on a hemisphere of common base radius 7cm. The total height of the toy is 13 cm. Find the total surface of the toy.( =22/7) [Ans: 858 cm2]

SCIENCE REVISION PLAN FOR CLASS X FOR BOARD EXAMINATIONS

Note: Dear students follow the given revision plan accordiungly,Two model question papers will be sent to your Tabs,complete them and submit after your vacation.

DAY(DATE)NAME OF THE CHAPTER SUB TOPICS FOLLOW UP

1(7/01/2018)Chemical Reactions and

equations

Chemical equation,Balancing chemical equations,Types of chemical reactions combination, decomposition, displacement, double displacement(identification of type of reaction and example),Precipitation, neutralization, oxidation and reduction (corrosion,preventive measures of rusting of Iron,Rancidity)

Solve the intext question followed by exercise question.

2(8/01/2018) Acid, Bases and Salts

Acid, Bases and Salts(definition and examples of acids,bases & salts and sources of acids), What do all acids and bases have in common,Strong acids & base, weak acids& bases(exampples).Test for Hydrogen gas and Carbondioxide gas,conductance properties of acids and bases, Importance of pH in everyday life(daily life examples),Salts( types of salts & examples),preparation,uses and chemical formulae of baking soda,washing soda,bleaching powder & plaster of paris


3(9/01/2018) Metal and Non-metals

Physical properties & Chemical properties of metal(examples of metlas and non metals with exceptions),Reactivity series,Formation of Ionic compounds(examples),physical properties of ionic compounds(focus on state and conductance property of ionic compounds in aqueous state and molten state),Occurrence of metals (ore,gangue,minerals) chemical reactions involved in extraction of metals,corrossion and prevention of corrosion.


4(10/01/2018)Carbon and its

Compounds

Bonding in carbon- covalent bonding(electron dot structures of molecules),Versatile nature of carbon,Saturated and unsaturated compounds, chain, branches and rings (Test for unsaturated & saturated hydrocarbons,structure of benzene and cyclohexane, Homologous series(examples),Isomers(examples),Nomenclature of carbon compounds,Chemical properties of carbon compounds (combustion, oxidation , addition(hydrogenation of oils), substitution reactions),properties of ethanol and ethanoic acid(esterification and saponification,venigar,dehydrating agent),Soaps & Detergents(what is a soap?,cleansing action of soap,micelli, soft water , hard water,what is a detergent)


5(11/01/2018)Periodic Classification of

Elements

Dobereiners triads(definiotion & examples of traids),Newlands Law of Octaves(identification of Dobereiner's Traids in Newlands Classification of elements),Mendeleevs periodic table(periodic law, no of periods & groups, advantages and limitaion of mendeleev's classification of elements),Modern periodic table(periodic law, number and description of periods & groups),periodic properties(atomic size, vaency and metallic & Non metallic properties)


6(12/01/2018)Life processes Basic concept of nutrition, respiration, transport and excretion in plants and animals.

Solve the intext question followed by previous year questions.

7(13/01/2018) Control and co-ordination in animals and plants

Tropic movements in plants; Introduction to plant hormones; control and co-ordination in animals : nervous system; voluntary, involuntary and reflex action, chemical co-ordination: animal hormones.


8(14/01/2018) How do organisms reproduce?

Reproduction in animal and plants (asexual and sexual) reproductive health-need for and methods of family planning. safe sex vs HIV/AIDS. Child bearing and women's health


9(15/01/2018)Heredity and evolution

Heredity; Mendel's contribution- Laws for inheritance of traits: Sex determination: brief introduction; Basic concepts of evolution


10(16/01/2018)Our Environment

Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances


11(17/01/2018) Management of natural resources

Conservation and judicious use of natural resources. Forest and wild life; Coal and Petroleum conservation. Examples of peoples participation for conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources.


13(19/01/2018)

Sources of Energy, Light Work outHoliday Home work first 9 questions

Solve the intext questions of Units: 1. Sources of Energy 2. Light and followed by previous year questions.

14(20/01/2018)Human Eye and Wonderful World Holiday Home Work form 10th question to 18 th questions work out

Solve the intext questions of Units: 3. Human Eye and Wonderful World and followed by previous year questions.

15(21/01/2018)Electricity and Magnetic effects of Electric current Holiday Home Work form 19th question to 27th questions work out

Solve the intext questions of Units : 4.Electricity 5. Magnetic Effects of Electric Current and the previous work sheets sent.

CLASS : X PHYSICS HOLIDAY HOME WORK

1. Burning of fossil fuels results in global warming. Give reasons to justify this statement. 2

2. Name the type of mirrors used in the design of solar furnaces. Explain how high temperature is

achieved by this device. 2

3. The image formed by a mirror is real, inverted and is of magnification -1. If the image is at a distance

of 40 cm from the mirror, where is the object placed? Where would the image be if the object is moved

20 cm towards the mirror? State reason and also draw a ray diagram for the new position of the object

to justify your answer. 3

4. Describe an activity to show that the colours of white light splitted by a glass prism can be

recombined to get white light by another identical glass prism. Also draw ray diagram to show the

recombination of the spectrum of white light. 3

5. It is desired to obtain an erect image of an object, using a concave mirror of focal length of 12 cm.

(i) What should be the range of distance of an object placed in front of the mirror?

(ii) Will the image be smaller or larger than the object. Draw ray diagram to show the formation of

image in this case.

(iii) Where will the image of this object be, if it is placed 24 cm in front of the mirror? Draw ray diagram

for this situation also justify your answer. 5

6. (a) Define optical centre of a spherical lens.

(b) A divergent lens has a focal length of 20 cm. At what distance should an object of height 4 cm

from the optical centre of the lens be [placed so that its image is formed 10 cm away from the lens. Find

the size of the image also.

Draw a ray diagram to show the formation of image in above situation. 5

7. What is atmospheric refraction? Use this phenomenon to explain the following natural events:

(a) Twinkling of stars (b) Advanced sun-rise and delayed sun-set

Draw ray diagrams to illustrate your answer. 5

8. (a) Define focal length of a divergent lens.

(b) A divergent lens of focal length 30 cm forms the image of an object of size 6 cm on the same side

as the object at a distance of 15 cm from its optical centre. Use lens formula to determine the distance

of the object from the lens and the size of the image formed.

Draw a ray diagram to show the formation of image in the above situation. 5

9. The potential difference between the two terminals of an electric iron is 220 V and the current

flowing through its element is 5.0 A. Calculate the resistance and wattage of the electric iron. 3

10. Observe the figure given below and answer the following questions:

(a) Write the special name given to the coil A B which has many circular turns of insulated copper

wire.

(b) State the nature of the magnetic field inside A B when current is passed through it.

List two factors on which the strength of the magnetic field produced by A B depends. 3

11. (a) Explain what is meant by electromagnetic induction? Name any two electrical; devices whose

working is based on the principle of electromagnetic induction.

(b) Explain in brief three different ways to induce current in a coil. 5.

State the law that governs the amount of heat produced in a metallic conductor when electric current is

passed through it for a give time. Also express this law experimentally.

Two resistors 4 and 8 are in turn connected (i) in series (ii) in parallel to a given source for the same

interval. Compute the ratio of heat produced in the combination in two cases. 5

12. Calculate the Least Count of the given Ammeter and Voltmetr

13. The construction of large dams leads to social and environmental problems. List two problems of

each category.

14. An object of height 2.5 cm is placed at a distance of 15 cm from the optical centre O of a convex

lens of focal length 10 cm. Draw a ray diagram to find the position and size of the image formed. Mark

Optical centre O, principal focus F.

15. After tracing the path of a ray of light passing through a rectangular glass slab for four different

values the angle of incidence, a student reported his observations in tabular form as given below.The

best observation is

S.No. i r e

I 30 0 19 0 29 0

II 40 0 28 0 40 0

III 50 0 36 0 50 0

IV 60 0 40 0 59 0

16. A student is using a convex lens of focal length 10 cm to study the image formation by a convex lens

for the various positions of the image. In one of his observations, he may observe that when the object

is placed at a distance of 20 cm from the lens, its image is formed at ----------------.

17.

O 2F F F 2F A student is using a convex lens of focal length 18 cm to study the image formation by it for the various positions of the object. He observes that when he places the object at 27 cm, the location of the image is at 54 cm on the other side of the lens. Identify from the following diagram the three rays that are obeying the laws of refraction and may be used to draw the corresponding ray diagram.

18. Explain the following terms related to spherical lenses:

(i) optical centre (ii) centres of curvature (iii) principal axis (iv) aperture (v) principal focus (vi) focal

length.

19. What is meant by power of a lens? Define its SI unit

You have two lenses A and B of focal lengths +10 cm and 10cm respectively. State the nature and

power of each lens. Which of the two lenses will form a virtual and magnified image of an object placed

8 cm from the lens? Draw a ray diagram to justify your answer?

20. Name the major constituent of natural gas.

21. Why does a compass needle show deflection when brought near a current carrying conductor?

22.

(i) What do you infer from this graph?

(ii) State the law expressed here?

V (iii) Name the physical quantity represented by the

Slope of this graph and state its SI unit.

I

23. A magnetic needle is placed in the plane of the paper. In which plane would you place a straight

current carrying conductor near the needle so that there is no change in the deflection of the compass?

State the condition of the current carrying conductor in which the compass needle will show the

maximum deflection. Justify your answer.

24. What is meant by electric current? Name and define its SI unit. In a conductor electron are flowing

from B to A. What is the direction of conventional current? Give justification for your answer.

A steady current of 1 ampere flows through a conductor. Calculate the number of electrons that flows

through any section of the conductor in 1 second. ( Charge on electron = 1.6 x 10 -19 coulombs).

25. (i) With the help of a diagram in brief an activity to show how a moving magnet may be used to

induce an electric current in a coil. State the rule to find the direction of induced current .

(ii) A coil A of insulated copper wire is connected to a galvanometer. What would you observe

when: (a) a current carrying coil B is brought near to A.

(b) the strength of current in coil B is changed?

26. (a) Explain what is the difference between a direct current and an alternating current. Write one

important advantage of using alternating current.

(b) An air conditioner of 2 kW is used in an electric circuit having a f se of 10 A rating. If the potential

difference of the supply is 220 V,, will the fuse be able to withstand.

27. To study the dependence of current 9I) on the potential difference (V), a student recorded his

observation in tabular form. Based on the observations he obtained a V-I graph which a straight line was

passing through the origin.

HOLIDAY HOMEWORK- JANUARY2018

SUBJECT: SOCIAL SCIENCE

CLASS: 10

(I) VERY SHORT ANSWER QUESTIONS:

1. Expand COPRA, NREGA, HDI, UNDP, MNC & WTO.

2. What was the major issue taken up by the liberal nationalists?

3. Who were called colons in Vietnam?

4. Who led the peasant movement in Awadh during the Non-Cooperation Movement?

5. Name any two subjects given in the Union List and State list.

6. What is Regur soil?

7. Why are decisions delayed in democracy?

8. Where the disguised unemployment is mostly found in India?

9. How did the printing press bring change in the reading culture?

10. How does mining affect the health of miners?

(II) SHORT ANSWER QUESTIONS:

11. There is a pressing need to use renewable energy resources. Justify the statement

with suitable examples.

12. Caste system is very much inherent in politics. Justify the statement.

13. Producers and consumers benefit from foreign trade. Analyze the statement.

14. Sharing of powers makes a country more powerful and united. Do you agree with

the statement? Why?

15. We have different identities in different contexts. Support the statement with three

facts.

16. Suggest any five measures to enhance the agricultural production in India.

17. Indiscriminate use of resources has led to numerous problems. Justify the statement.

18. Describe any five major functions of political parties.

19. Describe the impact of globalization on Indian economy.

20. Mention any three restrictions imposed by the British government upon the Indian

merchants in 19th century.

(III) LONG ANSWER QUESTIONS:

21. Consumers awareness is essential to avoid exploitation in the market place. Support

the statement.

22. The economic strength of the country is measured by the development of

manufacturing industries. Support the statement with arguments.

23. What factors make mineral extraction commercially viable? How does export of good

quality ore affect our economy?

24. Explain two reasons as to why power sharing is desirable.

25. By the first decade of the twentieth century a series of changes affected the pattern of

industrialization in India. Support the statement with examples.

(IV) MAP POINTING:

26. MAP-1

Place where Gandhiji broke the salt law.

Place associated with the congress session held in September 1920.

One cotton textile centre in Maharashtra.

Atomic power station in Gujarat.

A project on River Sutlej

27. MAP-2

Place associated with No Tax campaign.

Place associated with Congress session of 1929.

A dam on river Tungabhadra.

One international Airport .

Iron ore mine in Odisha

28. MAP-3

Place associated with peasant Satyagraha in Gujarat.

Coal mine in Jarkhand.

Jawaharlal Nehru port.

Iron and steel plant in Karnataka.

Major port in Odisha.

29. MAP-4

Oil field in Assam

Place associated with Indigo planters movement.

Place of Bauxite deposits.

Major Tea producing State.

Bhakra-Nangal dam.

30. MAP-5

Place of Mica deposits.

Place associated with Civil Disobedience Movement.

Major producing centre of rubber.

A Natural harbour.

Place of Thermal power station.

NOTE:

1. Map pointing Reference Book:

CBSE SAMPLE PAPERS (EAD)- RACHANA SAGAR PVT. LTD.

2. Use FIVE separate INDIA POLITICAL MAPS for practice.

3. Answer to all the questions must be written in CW notebook.

WISH YOU A HAPPY & PROSPEROUS PONGAL

Documents

G` E * ¡#2 - SVIS - Sree Vidyanikethan International School, …svis.school/wp-content/uploads/2018/01/CLASS-X.pdf · 2018-01-05 · Visit for Ncert Solutions in Text and Video ,