SUMMER HOLIDAYS HOMEWORK [ 2017-18]

SUBJECT - English

Class- X

1. Read the chapters 1 to 10 of Long Text Novel The Story Of My Life by Helen Keller And write about the important characters and major incidents occurred in these chapters briefly .

2. Write a story in about 120- 150 words based on imagination when you spent a night all alone at your house.

3. As principal of Indraprastha puplic school Katha , draft a notice inviting the students of the school to join The World of The Wonde,r , A trip to water and entertainment park in Noida during last week of May before summer vacation .

[ Not more than 50 words]

4.You are Aniket\ Anuksha of Pragati A partments , Mall road Delhi 11. Write a letter to the editor The Times Of India , K. G. Marg Delhi 5 expressing your disgust and concern over ever rising prices of essential commodities of daily use . Give suggesations to find a remedy to the great social Problem. [ 120150 words ]

1. 2. 3. 150-200 4. , , ,

- 5. 15

1. 150-200 2. , , ,

- 3. 30 4. 15 5.

3

MATHEMATICS

THEME OF INTEGRATED PROJECT NATIONAL GREEN

TRIBUNAL

Odd-Even scheme has a positive impact on the level of pollution of Delhi.

Compare its impact on the congestion level and quality of air during that period

with the non schemes days.

(Express your opinion to continue the scheme in future or not))

Use Bar Graphs / Pie Charts to showcase your analysis.

Also write advantages of having such polloution control initatives on society as a whole along with the challenges that government faces in

establishing the same.

Do neatly on A4 sheet.

Solve the following worksheet in your Assignment register after revising the

chapters done in the class.

REAL NUMBER WORKSHEET

Q1. Without actually performing the long division, state whether the following

rational numbers will have a terminating or non-terminating Decimal expansion

(1) 251/1300

(2) 32/1250

(3) 368/1050

(4) 39/9375

(5) 5824/910

Q2. Prove that 2-5 is irrational.

Q3. Is the number (2-3)(2+3) rational or irrational? Justify.

Q4. Write one rational and one irrational number lying between 0.25 and 0.32.

Q5.The H.C.F of two numbers is 29 and their L.C.M is1160. If one of the

numbers is 145, then find other.

Q6. Find the H.C.F of 570 and 1425 using Fundamental theorem of Arithmetic.

4

Q7. Find H.C.F of 128, 240 using Euclids division algorithm.

Q8.Check whether the number 15n, where n is a natural number, can end with

the digit 0.

Q9. If a= bq +r in division algorithm then write limits of r.

Q10. Given that L.C.M (26, 169) = 338, write H.C.F (26, 169).

Q11. Complete the factor tree:

Q12.There are 312, 260 and 156 students in class X, XI and XII respectively.

Buses are to be hired to take these students to a picnic. Find the maximum

number of students who can sit in a bus if each bus takes equal number of

students. Find also the number of students. Find also the number of buses

required.

Q13. Prove that square of any positive integer is of the form 5q, 5q+1, 5q+4 for

some integer q.

Q14. Find the least number which, when divided by 18, 24, 30 and 42 will leave

in each case the same

remainder 1.

Q15. State Euclids lemma for positive integers.

Q16. Show that the square of an odd positive integer is of the form 8n+1 where

n is any integer.

Q17. If 5-3/5+3= 2x-15, then determine whether x is a rational or

irrational.

Q18. Find the greatest possible length which can be used to measure exactly

each of the lengths 7m, 3m 85cm, 12m 95cm.

Q19. Show that only one of the numbers n, n + 2, n + 4 is divisible by 3.

Q20. If the H.C.F of 210 and 55 is expressible in the form 210 5+55y, find y.

Q21. Write one rational and one irrational number lying between 0.5 and 0.6.

Q22. Find the largest positive integer that will divide 1385, 1457 and 1682

leaving remainder 5, 2 and 8 respectively.

Q23. Three sets of English, Hindi and Mathematics books have to be stacked in

such a way that all the books are stored topic wise and height of each stack is the

same. The number of English books is 96, the number of Hindi books is 240 and

the number of Mathematics books is 336. Assuming that books are of same

thickness, determine the number of stacks of English, Hindi and Mathematics

books.

Q24. Find the missing numbers in the factor tree:

5

Q25.If p, q are prime, then find H.C.F of (p, q).

Q26. After how many places the decimal form of 125/24-5

3 will terminate?

POLYNOMIAL WORKSHEET

Q1. If and are the zeroes of p(x) = -5x + k such that - = 1 , find the value of k?

Q2 If the sum of square of zeroes of the quadratic polynomial ,f(x) = = -5x + k is 40,find k?

Q3. If one of the zeroes of the quadratic polynomial f(x) = 14 - 42 9 is negative of the other , findthe value of k.

Q4. If m and n are the zeroes of the polynomial 3 + 11x 4 , find the value of

+

.

Q5. If and are the zeroes of the polynomial 6 7y + 2 , find a quadratic

polynomial whose zeroes are

and

.

Q6. Find the value of b for which (2x + 3) is a factor of 2 + 9 x b .

Q7. If and are the zeroes of f(x) = a + bx + c , then evaluate:

1) +

2)

+

3) +

Q8. Find a quadratic polynomial whose sum and product of the zeroes is 0 and

5 respectively.

Q9. If a and b are the zeroes of a polynomial f(x) = x2-x + 2, find a polynomial

whose zeroes are 2a+1 and 2b+1.

Q10. If a and b are the zeroes of the quadratic polynomial p(x) = 4x2-

5x-1, find

the value of a2b+ab

2.

Q11. If the sum of the zeroes of a quadratic polynomial f(t)= kt2+2t +3k is equal

to their product, find the value of k.

6

Q12. find all the zeroes of a polynomial 2x4+7x

3-19x

2-14x +30, if two of its

zeroes are 2 and-2

Q13. If one zero of the polynomial f(x) = (k2+4)x

2+13x +4k is reciprocal of he

other, then find the value of k

Q14. . If and are the zeros of the polynomial such that + =24 and =8.

Find the Quadratic polynomial having and as its zeroes. Verify the

relationship between the zeroes and the coefficients of polynomial.

Q15. If the zeroes of polynomial x2+px+q are double in the value to the zeroes

of 2x2-5x-3, find the value of p & q.

Q16. What must be subtracted or added to p(x)= 8x4+14x

3-2x

2+8x-12 so that

4x2+3x-2 is a factor of p(x).

Note:-Submit your Holidays Homework in a presentable manner as per the

nature of the work e.g. a work which is two dimensional should be properly

laminated) with name slip.

Topic-Role of NGT (National Green Tribunal)

(Size A-3 Ivory Sheet)

Use bright colors composition with related slogan Reflecting Positive message

for our Society

Browse internet and collect innovative ideas. This will stimulate your

imagination.

Work Experience

Make any utility item or any decorative item using eco-friendly waste material e.g.

File Folder with Pocket, Paper Bag, Tie &Dye (White XL-Hanky), Door Mat

(Waste Cloth & Paper mashie object) etc.

INFORMATION TECHNOLOGY

Make a short movie in Window Movie Maker on the topic Role of NGT in

Delhi not more than 4-5 mins.

CD of the movie should be submitted in .avi format

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SUMMER HOLIDAY HOMEWORKSession 2017

Class: X

Subject: Physics

Topic: Electricity

GENERAL INSTRUCTIONS:A: All questions are compulsory.B: Parts of same questions to be attempted together.C: Draw well labelled neat diagrams where required. Use a sharp pencil.D:Do the questions in physics notebook.

1. Define 1KWh. Give the relation between 1kwh and Joule. 2. Why are coils of electric toaster and electric iron made of an alloy rather than a pure metal? 3. Two wires are of same length and radius but one of them is copper and the other is of iron. Which will have more resistance? (Given the resistivity of copper = 1.62 x 10 -8 ohm meter and resistivity of iron = 10 x 10-8 ohm meter. 4. Two wires of same material are having length L and 2L. Compare their resistance and resistivity. 5. State which has a higher resistance. A 50W or 25W lamp. Also find the ratio of their resistances. 6. A wire of resistance 5 Ohm is spent in the form of closed circle. What is the resistance between 2 points at the ends of any diameter of the circle? 7. Calculate the amount of charge that would flow in one hour through the element of an electric iron drawing a current of 0.4 amps. 8. A electric toaster of resistance 20 Ohm takes a current of 5A. Calculate the heat developed in 30 s. 9. A bulb is rated at 5V, 100mA. Calculate its (1) Power (2) Resistance 10. Name two special characteristics of a heater coil.

Short answer questions

1. Define resistance and resistivity. Give the relation between them. Explain the dependence of resistance

on temperature.

2. With the help of neat circuit, derive the expression for the equivalent resistance of 3 resistances

connected in series.

3. With the help of neat circuit, derive the expression for the equivalent resistance of 3 resistances

connected in parallel

4. (a ) Draw the circuit consisting of a battery of five 2V cells, 5ohm resistor, 10 ohm resistor, 15 ohm

resistor and a plug key. All connected in series (b) calculate the current passing through the above circuit when

key is closed.

5. Two identical resistors each of resistance 2 Ohm are connected in turn (1) in series (2) in parallel to a

battery of 12 V. Calculate the ratio of power consumed in two cases.

6. A piece of wire is redrawn by pulling it until its length is tripled. Compare the new resistance with the

Kuldeep Verma Physics Topic: Electricity Summer HHW Session:2017 Page 1

original value.

7. What is the resistance of a copper wire 20 meters long and 0.81 mm in diameter at 20?

8. A heater draws 1100 W at 220V. (a) Find the resistance of the heater (b) Calculate the energy in KWh consumed in a week if the heater is used daily for 4 hours.

9. The following three appliances are connected in series to a 120 V house circuit: a toaster, 1200 W; a coffee pot, 750 W; and a microwave, 6.0 102 W. If all were operated at the same time, what total current would they draw? 10. Three resistors with values of 3.0 , 6.0 , and 12 are connected in series. What is the equivalent resistance of this combination?11. Three resistors with values of 4.0 , 6.0 , and 10.0 are connected in parallel. What is their equivalent resistance? 12. Two resistors with values of 6.0 and 12 are connected in parallel. This combination is

connected in series with a 4.0 resistor. What is the overall resistance of this combination? 13. A circuit contains a 1.5 volt battery and a bulb with a resistance of 3 ohms. Calculate the current.14. Two resistors with values of 6.0 and 12 are connected in parallel. This combination is

connected in Series with a 2.0 resistor and a 24 V battery. What is the current in the 2.0 resistor? 15. What is the equivalent resistance for the resistors in the figure below?

16. What is the equivalent resistance for the resistors in the figure below?

17. For the circuit shown below find the following,a. What is the equivalent resistance for the resistors in the figure below? b. What is the total voltage drop across the entire below circuit? c. What is the total current in the circuit below?

Kuldeep Verma Physics Topic: Electricity Summer HHW Session:2017 Page 2

18. What would the current through the 2 ohm resistor in the figure below if 120V is applied?

Long Answer questions (5 marks) 1. State Ohms law with a neat circuit. Explain how this law can be verified and also plot the

expected v-I graph. 2. (a) Differentiate resistance and resistivity

(b) the ratio of resistivities of two materials a and b is 1:2, ratio of their length is 3:4 and if the ratio of radii is 2:3 find the ratio of resistance of a and b.

Note: Submit the completed holiday home work by 4th July, 2017.

Name of Teacher: Kuldeep Verma

Kuldeep Verma Physics Topic: Electricity Summer HHW Session:2017 Page 3

Holiday homework

Chemistry Class: 10th

1. What happen when nitric acid is added to egg shell?2. Name the acid present in the ant sting. Write its chemical formula. Also give common method to

get relief from the discomfort caused by the ant sting.3. How would you distinguish baking powder and washing soda by heating?4. What are strong acids and weak acids? Give some examples of each type.5. What are strong bases and weak bases? Give some examples of each type.6. Match the following:

Column A Column BLactic acid Tomato Citric acid lemonAcetic acid vinegarOxalic acid curd

7. Pick the correct statements for the following question :What happen when a solution of an acid is mixed with the solution of a base(a) Temperature of the solution increases(b)Temperature of the solution decreases(c) Temperature of the solution remains same(d) Salt formation occurs

8.An aqueous solution turns red litmus blue. Excess addition of which of the following solution Would reverse the change?(a) Baking powder(b) Lime(c) Ammonium chloride(d) Hydrochloric acid

9. Which of the following salt does not contain water of crystallization(a) Baking soda(b) Washing soda(c) Gypsum(d) Blue vitriol

10. If a few drops of a concentrated acid accidently spills over the hand of a student, what should be done according to you?

Summer Holiday home work (2017-2018)

Class - X (A+B+C+D) Subject- Biology

Q.1 what is the major difference between autotrophic and heterotrophic nutrition. Explain both these

by taking of suitable example?

Q.2 explains the concepts of nutrition in plants?

Q.3 what is the role of saliva in our mouth?

Q.4 how many type of gland present in human body ad give the one or two role of particular gland?

Q.5 how many blood vessel are present in circulatory system explain the working of these?

Q.6 Explains by diagrammatically how our digestive system can be work properly?

Q.7 Draw the diagram of human respiratory system?

Q.8 explains various steps involve in respiration?

Q.9 Difference between breathing and respiration?

Q.10 explains the aerobic and anaerobic respiration by chemical equation?

Q.11 what is peristaltic movement

Q.12 explains various steps involve in respiration?

Q.13 what is pulmonary respiration explain it?

Q.14 What is muscle cramping which type of respiration involve?

Q.15 Draws diagram of human heart? Explain its working?

Q.16 explain transport system of plants?

Q.17 how the respiration can be done in plants?

Q.18 how the amoeba show nutrition?

Q.19 make different animal list and differentiate them on the basis of heart chamber?

Q.20 prepare assignment on the topic:- Excretory system

Holiday Homework for Class - Xth (A+B+C+D)

Social Science

Q.1 Make assignments on the following topics.

1. Satyagrah movement

2. Civil Disobedience Movement

3. Salt march

4. The Rowlett Act, 1919

Q.2 Learn the following chapters.

1. Power sharing

2. Federalism

3. Development

Q.3 Fill the map geography from Page No.- 4 to 24 (from Map scan book)

Holiday Homework

INDRAPRASTHA PUBLIC SCHOOL,KATHA

Class-X

Subject:- Foundation of information Technology

1. Search for various tricks that will help you to search the information on web.2. Prepare the topic for presentation

Wi-Fi Wi-Max Application of Internet Type of network Wired/wireless media

3. Find where you are using IT tools at your home in your daily life.

NOTE:- Complete your class work/home work and learn that .

Note: Submit the completed holiday home work by 4th July, 2017.