hindi - fr. agnel school, new delhi...fr. agnel school, new delhi holiday home work- class ix...

FR. AGNEL SCHOOL, NEW DELHI HOLIDAY HOME WORK- CLASS IX 2019-20

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1. Attempt all exercises from the workbook (Unit 1 to Unit 6). Answers must be written in

the space provided in the workbook.

2. Collect and read 5 Articles (from a magazine/ newspaper) and 5 short stories (about 250

words). The topics of all the write-ups can vary. Pick one article and one story from your

selected 5 and give a suitable picture-presentation for both.

3. Write one diary entry each on any 5 of your most memorable days during the summer

break. The five diary entries must be written on 5 separate sheets.

व्याकरण पुस्तक- पृष्ठ 285-292 में दिए गए अभ्यास प्रश्न-पत्र 1,2 (खंड क,ख और घ) (A-4 Sheets) अलग पृष्ठठ ंपर

कीदिए।

कक्षा में करवाए गए पाठ्यक्रम की पुनरावृदि व अभ्यास कीदिए|

Imagine you are a tourist visiting the cities given below. Write a diary entry about your

experiences and the cultures of the cities.

The cities you visited are-

1. Paris

2. Bordeaux

3. Lyon

NOTE:

In total there should be 5 diary entries.

To be presented on A4 size sheets

Q2. Write a postcard describing your summer vacations and send it to the school at the latest by

30th of May 2019.

ENGLISH

HINDI

FRENCH


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Note: Holiday homework to be done in a separate register. CHAPTER: NUMBER SYSTEM

Q.1.Express the following in the form 𝑝/𝑞, where p and q are integers and q ≠ 0:

(i) 0.2 (ii) 0.888... (iii) 5. 2 (iv) 0. 001 ̅̅ ̅̅ ̅̅

(v) 0.2555... (vi) 0.134 (vii) 0.00323232... (viii) 0.404040....

Q.2. Represent the following on the number line:

a) √8 b)√17 𝑐)√5 d) √13

Q.3.Represent geometrically the following numbers on the number line:

a) √4.5 b) √5.6 c) √8.1 d) √2.3

Q.4.Find the value of xa-bxb-c xc-a

Q.5. If x= 2 + √3 , find the value of x3 +1/x3

Q.6. Simplify 3 √45 -√125 + √200 -√50

Q.7. If a= 7 – 4 √3 , find the value of √𝑎 + 1/√𝑎

Q.8.If a and b are rational numbers and (5+2√3)/(7+4√3) = 𝑎 − b√3, find the values of a and b.

Q.9.If x is a positive real number and the exponents are rational numbers, then simplify:

( xb/xc ) b+c-a (xc /xa)c+a-b (xa /xb) a+b-c

Q.10.Give examples of 2 irrational numbers such that their sum is a rational number.

Q.11. Find the value of (230 + 229 + 228 )/ (231 + 230 – 229 )

Q.12.Rationalise the denominator of 1

√6 + √5 − √11

Q.13 Find the value of √√434

Q.14.Find the productof √23

√2 4

√3212

Q.15.If 𝑥 = (√3+√2) /(√3−√2) and 𝑦 = (√3−√2) /( √3+√2) , then find the value of 𝑥2 + 𝑦2

MATHEMATICS


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CHAPTER: POLYNOMIALS Q.1 Find the value of the polynomial 5x – 4x2 + 3, when x = –1

Q.2.If x + 1 is a factor of the polynomial 2x2 + k x, then find the value of k

Q.3.Find the coefficient of x in the expansion of (x + 3)3

Q.4.If x2 -3x +2 divides x3-6x2 +ax +b exactly, then find the value of a and b.

Q.5. Find a if (x-a) is a factor of x3-ax2+2x +a-5

Q.6.Find the zero of the polynomial p(x) = 2x + 5

Q.7.If x+1 is a factor of ax3+x2-2x+4a-9, find a.

Q.8. Find the following product: (2𝑥 − 𝑦 + 3𝑧)(4x2+ y2 + 9 z2 + 2𝑥𝑦 + 3𝑦𝑧 − 6𝑥𝑧).

Q.9.Factorise : (a2-b2)3+ (b2-c2)3+(c2-a2)3

Q.10.If 49 x2-p = (7x-1/3)(7x+1/3), then what is the value of p?

Q.11. If x+ 1/x =1, then what is the value of x2+ 1/x2

Q.12.Show that p– 1 is a factor of p10 – 1 and also of p11 – 1.

Q.13.Find x3+y3-12xy+64, when x+y= - 4

Q.14. Let R1 and R2 be the remainders when the polynomial

f(x)= 4x3+ 3x2+12ax-5 and g(x) = 2x3+ ax2-6x-2 are divided by (x-1) and (x-2) respectively. If

3R1 +R2-28=0, find a.

Q.15. Find a and b so that (x+1) and (x-1) are the factors of x4+ax3+2x2-3x+b

Q.16.Divide p(x) =3x4+4x3+4x2-8x+1 by q(x)= 3x+1.Also find what should be added to p(x) so

that it is completely divisible by q(x).

Q.17.Factorise:

a) x2+3√3 x +6

b) 4√3x2 +5x -2√3

c) a6-b6

Q.18.It is given that 3a +2b=5c, then find 27a3+8b3-125c3if abc=0 CHAPTER: HERON’S FORMULA Q.1.The perimeter of a square is (4x+20) cm. What will be the length of its diagonal? Q.2. If area of the hexagon is 24√3cm2, find its perimeter.


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Q.3. A park in the shape of a quadrilateral ABCD has ∠C = 90°. AB = 18 m, BC = 24 m, CD = 10m and AD = 16 m. How much area does it occupy? Q.4. A rectangular plot is given for constructing a house, having a measurement of 40 m long

and 15 m in the front. According to the laws, a minimum of 3 m, wide space should be left in the

front and back each and 2 m wide space on each of other sides. Find the largest area where

house can be constructed.

Q.5. Find the area of a triangle having perimeter 32cm. One of its side is equal to 11cm and difference of the other two is 5 cm. Q.6. Perimeter of the rhombus is 100 m and its diagonal is 40m. Find the area of rhombus. Q.7. Two parallel sides of a trapezium are 60 cm and 77 cm and other sides are 25 cm and 26 cm. Find the area of trapezium. Q.8. The perimeter of a triangular field is 135 cm and its sides are in the ratio 25 : 17 : 12. Find its area. Q.9.The area of a trapezium is 475 cm2 and the height is 19 cm. Find the lengths of its two

parallel sides if one side is 4 cm greater than the other.


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Q1. What do you mean by motion and rest? Q2. What do you mean by Scalar and Vector Quantity? Q3. An object has moved through a distance. Can it have zero displacement? If yes, support your answer with an example. Q4. What do you mean by velocity and Average velocity? Q5. Derive second equation of motion graphically? Q6.A train starting from rest attains a velocity of 72 km/ h in 5 minutes. Assuming that the acceleration is uniform, find (i) the acceleration and (ii) the distance travelled by the train for attaining this velocity. Q7.. State the type of motion represented by the given graph.

Q8. The following displacement - time graph shows the positions of a body at different times. Calculate the velocity of the body as it moves from (i) A - B (ii) B - C (iii) C – D

Q9. How can you calculate the following : (a) Speed from distance-time graph. (b) Acceleration from velocity-time graph. (c) Displacement from velocity-time graph.

PHYSICS


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Q10.Find the distance covered by a particle during the time interval t=0 and t=4s for which the speed time graph is shown in figure

Q11. Figure shows distance time graph of three objects A ,B and C a) which object is moving with a greater speed b) which object is moving with slowest speed

Q12.The following table gives the data about motion of a car.

Plot the graph. (i) Find the speed of the car between 12.00 hours and 12.30 hours. (ii) What is the average speed of the car? (iii) Is the car’s motion an example of uniform motion? Justify. Q13. What does the odometer of an automobile measure? Which of the following is moving faster? Justify your answer. (i) A scooter moving with a speed of 300 m per I minute. (ii) A car moving with a speed of 36 km per hour.


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Chapter-1 Matter in Our Surroundings

1) What are the characteristics of particles of matter?

2) Why can we smell perfume sprayed from a distance?

3) Give reason – A gas fills completely the vessel in which it is kept.

4) Why a wooden desk should be called solid?

5) Why more serious burns are caused by steam at 100°C than water at same temperature?

6) Carry out following conversion:

(a) 500°C to Kelvin (b) 200 K to Celsius.

7) Name the conditions to liquefy a gas.

8) What is sublimation? Explain with the help of a diagram.

9) Washed clothes dry up more quickly on a hot summer day than on a rainy day. Why?

10) What is the difference between evaporation and boiling? (Write 3 points)

11) What will diffuse faster, honey or milk at 50°C, why?

12) Why do people perspire a lot on a hot humid day? Explain.

13) Why vegetable sellers cover vegetables with wet jute cloth?

14) Write the chemical formulae for the following compounds:

i. Nickel sulphide

ii. Calcium bicarbonate

iii. Zinc sulphate

iv. Aluminium hydroxide

v. Copper (II) Nitrate

vi. Sodium phosphate

vii. Potassium oxide

viii. Magnesium carbonate

ix. Ammonium chloride

x. Ammonium hydroxide

CHEMISTRY


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Do both the assignments distributed in the class in your notebook.

POSTER MAKING ON POLITICAL PARTIES

Objective

Students will learn about the current political environment in our country. It is going to help them

develop their analytical understanding of the topic.

POSTER MAKING ON A-3 SIZE SHEET

Students should select any one political party from contemporary elections (2019).

They are supposed to mention following things-

a) Its logo

b) Its motto/slogan

c) Its manifesto

RUBRICS

• Creativity/ presentation- 2m

• Content-2m

• Timely submission-1m

1. Revise the chapters

• Basics of Computer System

• Computer Software

2. Complete the assignments given in the class

BIOLOGY

SOCIAL SCIENCE

INFORMATION TECHNOLOGY


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1. Do 15 minutes of jogging or 30 minutes of walking everyday.

2. Do stretching exercises daily for the flexibility of joints.

3. Do practice of jumping and hopping.

4. Eat healthy food like green vegetables and salads.

5. Drink milk every day.

6. Don’t play video games or mobile games for more than 30 minutes a day.

7. Keep your back straight while walking and sitting to maintain a smart posture.

PHYSICAL EDUCATION

hindi - fr. agnel school, new delhi...fr. agnel school, new delhi holiday home work- class ix...

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