2015

2015

Winter Holiday Assignment

Bhartiyam International School

Bhartiyam International School

Holiday homework (2014-2015)

Subject: English

Class: X Name : ______

I. Make a collage on an A3 size sheet or chart paper (A 3 size only). Use powerful visuals/photographs cut out from newspapers and/or magazines and sayings/quotes/slogans made from alphabets/whole slogans or quotes cut out from magazines/ newspapers etc. There should be minimum use of poster colors and sketch pens. Ensure that the colour scheme is visually pleasing and eye catching. Use any ONE of the following socially relevant themes:

a. Save the girl child/Stop female foeticide

b. Save the environment

c. Protect endangered species

d. Stop child labour

II. Read ‘The Story of My Life’ from Chapter 12 to Chapter 23. The following

questions are long answer questions to be done in about 100 words each. These

are to be done in A4 size paper. You will be evaluated on the same.

Q1- Describe Helen’s visit to a New England village having frozen lakes and vast snow fields.

Q2- Describe how Helen’s interest in reading grew with the help of Miss Sullivan.

Q3- Describe Helen’s views on the Greek classics specially Homer and Virgil.

Q4- How did the poor and the deprived move Helen’s heart?

Q5- Write a character sketch of Helen Keller.

Q6- Give a character sketch of Miss Anne Sullivan, Helen’s teacher.

III. Research on, select and paste any one poem of at least 20 lines by any one of the poets whose poems are in your Literature Reader: Vikram Seth/P.B. Shelley/Coleridge/ Lawrence/Shakespeare.

Q 1. Write a critical appreciation of the chosen poem to be evaluated for FA in your literature notebooks.

Q 2. Learn the poem to be recited in class for the poem recitation.

Bhartiyam International School

Holiday homework (2014-2015)

Subject: Mathematics

Q.1: Find the surface area of a cuboid which is 16.4 m long, 15.5 m broad and 8.5m high. Q.2: A chalk box is in the form of a cube of edge 10.5cm.Find its surface area.

Q.3: Find the lateral surface area of a right circular cylinder whose height is 13.5cm and radius of the base is 7cm.Find also its whole surface area. Q.4: A roller 150cm long has a diameter of 70 cm. To level a playground it takes 750 complete revolutions .Determine the cost of leveling the playground at the rate of 75 paisa per sq. meter. Q.5: Find the volume of a cuboid whose length is 16.4m, breadth =15.5m and height =8.5m. Q.6: A river 3m deep and 40m wide is flowing at the rate of 2km per hour .How much water will fall into the sea in a minute? Q.7 The volume of a right circular cylinder is 1100cu cm and the radius of its base is 5cm.Find its curved surface area. Q.8: A cuboidal vessel is 10m long and 8 m wide. How high must be made to hold 380 cu m of a liquid. Q.9: What are the cubical contents of a well whose diameter is 42 dm and depth 150 dm? Q.10: The circumference of the base of a cylindrical vessel is 132 cm and its height is 25 cm .How many liters of water can it holds?

[1000cu.cm=1litre] Q.11: A go down measures 40mx25mx10m.Find the maximum number of wooden crates each measuring 1.5m x 1.25m x 0.5m that can be stored in the go down. Q.12: Find the length of the longest rod that can be placed in a room 12mx9mx8m. Q.13: A 4cm cube is cut into 1cm cubes .Calculate the total surface area of small cubes. What is the ratio of surface area of small cubes to that of the large cube?

Q.14: A field is 60m long and 20m wide. A tank 12m long ,10m broad and 3m deep is dug in the field .The earth taken out of it is spread evenly over the field .How much is the level of the field raised supposing the earth taken out increases by 1/8 of the volume? Q.15: A village having a population of 4000 requires 150 liters of water per head per

day. It has a tank measuring 20m x 15m x 6m.For how many days will the water of this tank last?

Q.16. A man on the top of a vertical tower observes a car moving at a uniform speed coming directly towards it. If it takes 12 minutes for the angle of depression to change from 30 0 to 45 0 , how soon after this, will the car reach the tower? Give your answer to the nearest second.

Or

The angle of elevation of the top of a tower from a point on the same level as the foot of the tower is ά . On advancing p meters towards the foot of the tower, the

angle of elevation become β . Show that the height of the tower is . Also, determine the height of the tower if p = 150 meters, ά = 30 o and β = 60 o .

Q.17. The hypotenuse of a right triangle is 1m less than twice the shortest side. If the third side is 1m more than the shortest side, find the sides and area of the triangle.

Or

A swimming pool is filled with three pipes with uniform flow. The first two pipes operating simultaneously fill the pool in the same time during which the pool is filled by the third pipe alone. The second pipe fills the pool five hours faster than the first pipe and four hours slower than the third pipe. Find the time required by each pipe to fill the pool separately.

Q.18. A pole 5m high is fixed on the top of a tower. The angle of elevation of the top of the pole observed from a point ‘A’ on the ground is 60o and the angle of depression of the point ‘A’ from the top of the tower is 45o. Find the height of the tower.

Q.19. A person standing on the bank of a river observes that the angle of elevation of the top of a tree standing on the opposite bank is 60 o. When he moves 30 m away from the bank, he finds the angle of elevation to be 30 o. Find the height of the tree and the width of the river.

Or

The angle of elevation of a jet plane from a point A on the ground is 60 o .After flight of 7 seconds, the angle of elevation changes to 30 o . If the jet is flying at a constant height of 1750√3 m. find the speed of the jet plane.

Q20. A man on the top of a vertical observation tower observes a car moving at a uniform speed coming directly towards it. If it takes 12 minutes for the angle of depression to change from 30 o to 45 o, how soon after this will be the car reach the observation tower. 16.4 m in approx.

Note:- Do all the above questions in a separate folder in A4 size paper

Subject: Hindi

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Subject: Science

Chemistry

1. Do all NCERT questions from Ch- “CARBON and Its COMPOUNDS” and “ PERIODIC

CLASSIFICATION OF ELEMENT” in your chemistry notebook.

Biology

2. Do all NCERT problems from Ch- “Reproduction” in your Biology notebook.

(PHYSICS X)

Section A

1. How does the frequency of a beam of ultra violet light change when it goes from air into

glass?

2. Distinguish between convex and concave mirror.

3. Give the ratio of velocities of light rays of wave lengths 4000 A° and 8000 A°.

4. Magnification produced by a concave mirror of a body 4.0 cm in size is 0.16. What is the size of image?

5. What is the focal length of a concave lens of power –2.0 D?

6. The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where is

the object placed?

7. A concave mirror forms sharp image of a distant tree. What is the separation between the mirror and the

screen called?

8. A spherical mirror and a thin spherical lens have each a focal length of –15 cm. The mirror and the lens

are likely to be

(a) Both are concave (b) Both are convex

09. The refractive index of dense flint glass is 1.65 and for alcohol it is 1.36, with respect to air. What is the

refractive index of dense flint glass with respect to alcohol?

10. Draw a ray diagram to show the (i) position and (ii) nature of the image formed when an object is placed

between focus F and pole P of a concave mirror.

11. Whatever may be the position of the object the image appears to be erect? Give the nature of mirror with

reason.

12. A convex lens has a focal length of 40 cm. Calculate its power.

13. A convex mirror used on an automobile has a focal length of 3.00 m. If a vehicle behind is at a

distance of 5.00 m, find the location of the image?

14. You are given kerosene, turpentine and water. In which of these does the light travel fastest? Given

refractive indices of kerosene, turpentine and water are 1.44, 1.47 and 1.33 respectively.

16. An object is placed at a distance of 25 cm from the pole of a spherical mirror which forms a real,

inverted image on the same side of object at 37.5 cm from the pole. Calculate the focal length of

mirror and find nature of the mirror.

17. An object is kept in front of a concave mirror of focal length 15 cm. The image formed is three times

the size of object. Calculate two possible distances of the object from the mirror.

18. An object 3 cm high is placed at a distance of 20 cm in front of a convex lens of focal length 12 cm.

Find the position, nature and size of the image formed.

19. An object 5 cm high is placed 20 cm in front of a concave mirror of focal length 15 cm. At what

distance from the mirror, should a screen be placed to obtain a sharp image?

20. (i) State Snell's law of refraction of light.

(ii) A transparent medium A floats on another transparent medium B. When a ray of lights travels

obliquely from A into B, the reflected ray bends away from the normal. Which of the two media

A and B is optically denser and why?

21. A convex lens has a focal length of 30 cm. Calculate at what distance should be the object placed

from the lens so that it forms an image at 60 cm on the other side of the lens. Find the

magnification produced by the lens in this case.

22. Draw the ray diagram in each case to show the position and nature of the image formed when the

object is placed :

(i) at the centre of curvature of a concave mirror.

(ii) between the pole P and focus F of a concave mirror.

(iii)in front of a convex mirror.

(iv)at 2F of a convex lens

(v)in front of a concave lens

23. Draw ray diagrams to show the formation of a three times magnified (i) real image (ii) virtual image of

an object kept in front of a converging lens. Mark the positions of object F, 2F, O and position of

image already in the diagram. An object of size 5 cm is kept at a distance of 25 cm in front of optical

centre of a converging lens of focal length 10 cm. Calculate the distance of the image from the lens

and size of the image.

24. (i) Define

(a) Centre of curvature

(b) Pole of a concave mirror.

(ii) State the mirror formula and its magnification.

25. A boy of height 1 m stands in front of a convex mirror. His distance from the mirror is equal to its

focal length. What is the height of his image?

Section B

1. State the Snell’s law. A ray of light traveling in air falls on the surface of a transparent material at

an angle of 45° to the normal. It bends by 15° after refraction. Find the refractive index of the material.

2. An object is placed 42 cm in front of a concave mirror of focal length 21 cm. Light from the

concave mirror is reflected onto a small plane mirror 21 cm in front of the concave mirror. Where is

the final image?

3. A convex lens of focal length 0.12 m produces an image, which is three times as long as the object.

Find the distance between the object and the lens for a real image.

4. For the same angle of incidence, the angles of refraction in media P, Q and R are 35°, 25°, and 15°

respectively. In which medium will the velocity of light be minimum?

5. The image obtained with a convex lens is erect and its length is four times the length of the object. If

the focal length of the lens is 20 cm. calculate the object and image distances.

6. The image of a needle placed 10 cm from a lens is formed on a wall 20 cm on the other side of the

lens. Find focal length of lens and size of image formed, if the size of object needle is 2.5 cm.

7. An object 10 cm long is placed at 15 cm from a convex lens of focal length 10 cm. Find position and

size of image.

8. How far should an object be from the concave mirror of focal length 20 cm to form a real image one

fifth of its size?

9. A convex mirror of focal length 20 cm produces an image (1/5)th of the size of object. What is the

distance of the image from the mirror?

10. Define the laws of reflection of light.

11. Prove that, in case of plane mirror the image is formed as far behind the mirror as the object is in front

of it.

12. An object is placed 0.05 m in front of a concave mirror of radius of curvature 0.15 m.Determine the

position of the image.

13. The image formed by a convex mirror of focal length 0.30 m is a quarter of the object. What is the

distance of the object from the mirror?

14. Where should an object be placed from a convex lens to form an image of the same size? Can it

happen in case of concave lens?

15. A film of oil, = 1.2 lies on water of refractive index 1.33. A light ray is incident at 30° in the oil on

the oil water boundary. Calculate the angle of refraction in water.

16. A paperweight in the form of hemisphere of radius 3.0 cm is used to hold down a printed page. An

observer looks at the page vertically through the paperweight. At what height above the page will the

printed letters near the centre appear to the observer?

17. When a concave mirror is placed facing the sun, the sun's rays converge to a point 10 cm from the

mirror. Now, an erect 2 cm long pin is placed 20 cm away on the principal axis of the mirror, if you

want to get the image of the pin on a card, where would you place the card? What could be the nature

and height of the image?

18. A 15 mm thick transparent slab is placed on a sheet of wrapping paper. When viewed through the top

of the slab, the pattern printed on the paper seems to be raised by 5 mm. What is the refractive index

of the material of slab?

19. Rays of light strike a horizontal plane mirror at an incidence angle of 45° how you would arrange a

second mirror in order that the reflected ray may finally be reflected horizontally from the second

mirror.

20. A concave mirror of focal length f produces an image n times the size of the objects. If the image is

real, then what is the distance of the object from the mirror?

21. Find the two positions of the object in front of a concave mirror of focal length 15 cm, so that the

image formed is three times the size of the object.

22. A man uses a concave mirror for shaving. He keeps his face at a distance of 25 cm from the mirror and

gets an image which is 1.4 times enlarged. Find the focal length of the mirror.

23. A pin of length 2 cm is placed perpendicular to the principal axis of a converging lens. An inverted

image of size 1 cm is formed at a distance of 40 cm from the pin. Find the focal length of the lens

and its distance from the pin.

Holiday Assessment of Inter Class Competition

Little Editor: Make Your Own Newspaper

A special competition for budding Editor at Bhartiyam

Make your own newspaper minimum of 4 pages with the title of your choice.

Instruction to be followed:

1. Make use of A-3 sheets for making newspaper.

2. Make sure that the name of the newspaper should not be copies from anywhere, it

should be self made.

3. Handmade pictures or cuttings can be used anywhere in the newspaper.

4. The colour choice should be decent and attractive.

5. Font size:

1. Heading should be written in bold and there font size of heading should be different

from text.

2. The newspaper should include following sections : Sports, Literature, International

news, National news, Business/finance/economy, Politics, Weather, Classified ads,

Entertainment/comics/crossword puzzle/horoscope, Arts, culture, literature,

Tourism/travel tips, Computers, Automobiles, Style/fashion, Cooking/cuisine,

Health/medicine, Magazines and other supplements, Science Technology.

Sample – 1 Sample – 2 Sample – 3

Subject: Social Science

Q 1- Prepare a project file with following details:

1. The total length of the project report should not be more than 15 written pages of foolscap size (A-4 size).

2. The project report should be handwritten and credit will be awarded to original drawings, illustrations and

creative use of materials.

3. The project report should be presented in a neatly bound simple folder.

4. The project report should be developed and presented in this order

Cover page showing project title, student information, school and year.

List of contents with page numbers.

Acknowledgements (acknowledging the institution, offices and libraries visited and persons who

have helped).

Chapters with relevant headings.

Summary and conclusions based on findings.

Bibliography : should have the Title, pages referred, author, publisher, year of publication and if a

website the name of the website with the specific website link which has been used.

Distribution of Marks

Total Marks will be allocated over the different aspects of the Project Work in the following manner:-

S.NO. ASPECTS (Marks)

1 Content accuracy and originality 2

2 Presentation and creativity 1

3 Process of Project Completion : Initiative,

cooperativeness, participation and punctuality

1

4 Viva or written test for content assimilation 1

Marks for one project 5

Suggested Projects [Choose any one Topic]

1. The development and changes in Agriculture/Industry in the world till today

2. Consumer Awareness

SUMMATIVE ASSESSMENT-2-(Sample question paper)

TIME: 3Hrs SOCIAL SCIENCE MARKS: 90

General Instructions:

1. The question paper has 30 questions in all. All the questions are compulsory. 2. Marks are indicated against each question. 3. Questions from serial number 1 to 9 are multiple choice questions. Each question carries 1 mark. 4. Questions from serial number 10 to 21 are 3 mark questions. Answer of these questions should not exceed 80 Words each. 5. Questions from serial number 22 to 29 are 5 marks questions. Answer of these questions should not exceed 120 Words each. 6. Question number 30 is a map question of 5 marks.

1. Who said, ‘If France sneezes rest of the Europe catches cold’?

a) Metternich b) Cavour c) Mazzini d) Garibaldi

OR

Who was Confucious?

a) A Chinese revolutionary b) A Chinese Philosopher

c) An Italian revolutionary d) A Vietnamese revolutionary

2. When was complete independence or Poorna swaraj declared as the aim of the Congress?

a) 1909 b) 1929 c) 1936 d) 1919

3. Which one of the following States is the largest producer of bauxite in India?

a) Jharkhand b) West Bengal c) Odisha d) Madhya Pradesh

4. Name the industry classified on the basis of capital investment.

a) Joint sector b) Large scale c) Private sector d) Public sector

5. What was the result of Bolivia’s water war?

a) Water prices remained unchanged b) Imposition of martial law

c) Cancellation of MNC’s contract and restoration of water supply to the municipality

d) All the above.

6. Which one of the following political parties grew out of a movement?

a) Asom Gana Parishad b) CPI c) INC d) BSP

7. How can democratic reforms be carried out?

a) By political activists b) By Political parties and movements

c) Through Constitutional means d) All the above.

8. Which one of the following is not a term of credit?

a) Interest rate b) Collateral c) Mode of repayment d) None of the above.

9. Which one of the following logos would you observe while purchasing a pressure cooker?

a) ISI mark b) Hallmark c) Agmark d) None of the above

10. Explain liberalism in politics and economic field prevailing in Europe in the 19th century. OR Why was a conflict started in Vietnam against French colonialism in all areas of life? 11. How the First World War helped in the growth of the national movement in India? 12. Why is solar energy called the energy of future? Give three reasons. 13. ‘Minerals are indispensable part of our lives’ Support this statement with suitable examples. 14. How do industries pollute the environment? 15. Explain any three factors responsible for the localization of Jute textile mills mainly along the banks of the Hooghly River. 16. How are popular struggles an integral part of the working of democracy? Explain by giving the examples of Bolivia’s struggle for water. 17. What are public interest groups? Give examples. 18. Explain the challenge of expansion of democracy. 19. How does a democracy produce an accountable, responsive and legitimate govt.? 20. How have Indian markets been transformed in recent years? Explain with examples. 21. Explain any three ways in which the consumer is exploited. 22. Explain the significance of portraying nations as female figures by the European artists of the 18th and 19th century. OR Why did the French policy makers want to educate the people of Vietnam? 5 23. Describe the main features of the Civil Disobedience movement in 1930s. 24. How did Gandhiji bring the masses in to the national movement? 25. What is meaning of road density? Describe any three major problems faced by road transport in India. 26. Democracy is the better form of government than any other forms. Justify the statement. 27. State the various functions political parties perform in a democracy. 28. Explain the meaning of Self Help Group working for saving and credit in our Country. 29. How do multinational companies (MNCs) control production? Explain any three points. 30. On the outline map of India locate the following: a) Chouri choura b) Lahore c) Kalpakkam d) Paradip port e) Bhilai steel plant.

HISTORY LESSON – 1 THE RISE OF NATIONALISM IN EUROPE

Short Answers Questions-

1 Explain the concept of a national state

2 Explain the measures and practices creating sense of collective identity among the people of France.

3 Explain the decision of the congress of Vienna.

4 why the 1830s was the year of great economic hardship in Europe?

5 why did national tensions emerge in the Balkan?

Long Answer questions

1 Describe the process by which Germany was unified.

2 Describe the process of unification of Italy

3 Describe the political condition of Europe in mid 18th century.

4 Explain any three characteristics of the term Liberalism

5 Explain the role of Italian revolutionary Giuseppe Mazzini in freedom struggle of Italy.

6 Describe the result of the revolutions of the liberals in 1848 in Europe.

7. why was Giuseppe Mazzini described as the most dangerous enemy of our social orders?

8 what was Marianne and Germania? What was the importance of the way in which they were portrayed?