ST. ANGEL S SCHOOL WINTER HOLIDAYS HOMEWORK(2019-20) … · PHYSICS OSCILLATIONS 1. Water in a U-tube executes S.H.M. Will the time period for mercury filled up to the same height

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ST. ANGEL’S SCHOOL

WINTER HOLIDAYS

HOMEWORK(2019-20)

CLASS XI

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ENGLISH

PREPARE FOR SPEAKING ASSESSMENT 2019-20

1. Causes of stress in modern generation. (1-8)

2. Be aware, connect with care. (9-16)

3. Make in India. (17-24)

4. Yoga- A gateway of healthy life. (25-32)

5. Swachcha Bharat Abhiyan. (33-40)

6. Dependence on technology is making human less intelligent. (41-45)

SUBJECT TEACHER :______________________ HOD:_____________________

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MATHS NOTE : Do assignments in assignment register.

CH 11 Conic Section

Q.1 Find the eq. of the circle whose centre is at the point (4, 5) and which passes

through the centre of the circle x² +y²-6x+4y-12=0

Q.2 Find the centre and radius of circle whose equation is

x²+y²-x+2y-3=0

Q.3 Find the equation of the circle which passes through the point (1,-2) and (4,-3)

and has its centre on the line 3x+4y=7.

Q.4 Find the equation of the ellipse whose axis are along the coordinate axis , foci at

(0,+-4) and eccentricity 4/5

Q.5 Find the eccentricity , coordinate of foci , length of lactus rectum of the ellipse

25x²+16y²=1600

Q.6 Find the equation of parabola whose focus is (-3,2) and directrix is x+y=4

Q.7 Find the equation of parabola whose focus is (-3,0) and directrix x+5=0

Q.8 Show that 9x²-16y²-18x+32y-151=0 represent a hyperbola .find foci , vertices ,

lactus rectum , eccentricity .

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Ch 13 Limits and Derivatives

1 Let f(x) be a function defined by

f(x) ={4x-5 , if x ≤2

x- Ө ,if x >2

find Ө if lim f(x) exist

x→2

2 Find K so that lim f(x) may exist, where

x→2

f(x) = 2x+3 ,if x ≤2

x+k, if x >2

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4

5

7

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Q.9 Find the derivative of the following function by first principles

(a) tanx (b) √sinx (c) tan√x (d) x2cosx

Q.10 Diffrentiate the following function w.r.t x:

(a) (x2+ 1 / x

2)

3 (b) e

x/(secx + tanx) (c) sinx.e

x.x

3

(d) (xsinx + cos x) . (xcosx-sinx) (e) ex .log√x .tanx

NOTE- COMPLETE YOUR ACTIVITY FILE SUBJECT TEACHER :______________________ HOD:_____________________

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PHYSICS OSCILLATIONS

1. Water in a U-tube executes S.H.M. Will the time period for mercury filled up to the

same height in the tube be lesser of greater than that in case of water?

2. The displacement of a particle in S.H.M may be given by

y =sin(t+) , show that if the time t is increased by 2/, the value of y remains the

same.

3. Draw (a) displacement time graph of a particle executing SHM with phase equal to

zero (b) velocity time graph and (c) acceleration timeangle graph of the particle.

4. Derive an expression for the time period of the horizontal oscillations of a massless

loaded spring.

Thermal properties of matter

1. At what temperature the resistance of thermometer will be 12% more of its resistance

at 0°C (given temperature coefficient of resistance is 2.5 × 10–3

°C–1

?

2. 100g of ice at 0°C is mixed with 100 g of water at 80°C. The resulting temperature is

6°C. Calculate heat of fusion of ice.

3. Calculate heat required to convert 3kg of water at 0°C to steam at 100°C. Given

specific heat capacity of H2O = 4186J kg–1

k–1

and latent heat of stem = 2.256 × 106

J/kg

4. Define coefficient of thermal conductivity. Two metal slabs of same area of Cross -

section, thickness d1 and d2 having thermal conductivities K1 and K2 respectively

are kept in contact. Deduce expression for equivalent thermal conductivity.

OBJECTIVE TYPE QUESTIONS

1. 1.The displacement of a particle is represented by the equation

The motion of the particle is

(a) simple harmonic with period 2p/w.

(b) simple harmonic with period π/ω.

(c) periodic but not simple harmonic.

(d) non-periodic.

2. The displacement of a particle is represented by the equation y = sin3 ωt . The motion is

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(a) non-periodic.

(b) periodic but not simple harmonic.

(c) simple harmonic with period 2π/ω.

(d) simple harmonic with period π/ω.

3. The relation between acceleration and displacement of four particles are given below:

(a) ax = + 2x.

(b) ax = + 2x2.

(c) ax = – 2x2.

(d) ax = – 2x.

Which one of the particles is executing simple harmonic motion?

4. Motion of an oscillating liquid column in a U-tube is

(a) periodic but not simple harmonic.

(b) non-periodic.

(c) simple harmonic and time period is independent of the density of the liquid.

(d) simple harmonic and time-period is directly proportional to the density of the liquid.

5. A particle is acted simultaneously by mutually perpendicular simple hormonic motions x

= a cosωt and y = a sin ωt. The trajectory of motion of the particle will be

(a) an ellipse.

(b) a parabola.

(c) a circle.

(d) a straight line.

6. The displacement of a particle varies with time according to the relation y = a sin ωt + b

cosωt.

(a) The motion is oscillatory but not S.H.M.

(b) The motion is S.H.M. with amplitude a + b.

(c) The motion is S.H.M. with amplitude a2 + b

2.

(d) The motion is S.H.M. with amplitude √(a2 + b

2)

7. Four pendulums A, B, C and D are suspended from the same

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elastic support as shown in Fig. 14.1. A and C are of the same length, while B is smaller

than A and D is larger than A. If A is given a transverse displacement,

(a) D will vibrate with maximum amplitude.

(b) C will vibrate with maximum amplitude.

(c) B will vibrate with maximum amplitude.

(d) All the four will oscillate with equal amplitude.

8. Figure 14.2. shows the circular motion of a particle. The radius of the circle, the period,

sense of revolution and the initial position are indicated on the figure. The simple

harmonic motion of the x-projection of the radius vector of the rotating particle P is

9. The equation of motion of a particle is x = a cos (αt)2.The motion is

(a) periodic but not oscillatory.

(b) periodic and oscillatory.

(c) oscillatory but not periodic.

(d) neither periodic nor oscillatory.

10. A particle executing S.H.M. has a maximum speed of 30 cm/s and a maximum

acceleration of 60 cm/s2. The period of oscillation is

(a) π s.

(b) (π/2) s.

(c) 2π s.

(d) (π/t) s.

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11. When a mass m is connected individually to two springs S1 and S2, the oscillation

frequencies are ν1 and ν2. If the same mass is attached to the two springs as shown in Fig.

14.3, the oscillation frequency would be

12. The rotation of earth about its axis is

(a) periodic motion.

(b) simple harmonic motion.

(c) periodic but not simple harmonic motion.

(d) non-periodic motion.

13. Motion of a ball bearing inside a smooth curved bowl, when released from a point

slightly above the lower point is

(a) simple harmonic motion.

(b) non-periodic motion.

(c) periodic motion.

(d) periodic but not S.H.M.

14. Displacement vs. time curve for a particle executing S.H.M. is shown in Fig. 14.4.

Choose the correct statements.

(a) Phase of the oscillator is same at t = 0 s and t = 2 s.

(b) Phase of the oscillator is same at t = 2 s and t = 6 s.

(c) Phase of the oscillator is same at t = 1 s and t = 7 s.

(d) Phase of the oscillator is same at t = 1 s and t = 5 s.

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15. Which of the following statements is/are true for a simple harmonic oscillator?

(a) Force acting is directly proportional to displacement from the mean position and

opposite to it.

(b) Motion is periodic.

(c) Acceleration of the oscillator is constant.

(d) The velocity is periodic.

16. The displacement time graph of a particle executing S.H.M. is shown in Fig. 14.5.

Which of the following statement is/are true?

(a) The force is zero at t = (3T/4)

(b) The acceleration is maximum at t = (4T/4)

(c) The velocity is maximum at t = (T/4)

(d) The P.E. is equal to K.E. of oscillation at t = (T/2)

17. A body is performing S.H.M. Then its

(a) average total energy per cycle is equal to its maximum kinetic energy.

(b) average kinetic energy per cycle is equal to half of its maximum kinetic energy.

(c) mean velocity over a complete cycle is equal to (2/π) times of its maximum

velocity.

(d) root mean square velocity is (1/√2)times of its maximum velocity.

18. A particle is in linear simple harmonic motion between two points A and B, 10 cm

apart (Fig. 14.6). Take the direction from A to B as the + ve direction and choose the

correct statements.

(a) The sign of velocity, acceleration and force on the particle when it is 3 cm away

from A going towards B are positive.

(b) The sign of velocity of the particle at C going towards O is negative.

(c) The sign of velocity, acceleration and force on the particle when it is 4 cm away

from B going towards A are negative.

(d) The sign of acceleration and force on the particle when it is at point B is negative. SUBJECT TEACHER :______________________ HOD:_____________________

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CHEMISTRY

Question 1: How will you separate a mixture of o–nitrophenol and p–nitrophenol?

Question 2: Why alcohols are weaker acids than Water?

Question 3: Write the hybridized state of C atoms in the following:

CH2=CH−C≡N

Question 4: Which bond is more polar in the following pairs of molecules?

a) H3C–NH2, H3C–OH

b) H3C–OH, H3C–SH

Question 5: In which C-C bond of CH3CH2CH2Br, the inductive effect is expected to be

the least.

Question 6: Why (CH3)3C+ carbocation is more easily formed than (CH3)2 HC

+

carbocation?

Question 7: What are Electrophiles and Nucleophiles? Give examples.

Question 8: Write resonating structure of CH2 = CH–CHO.

Question 9. Out of benzene, m-dinitro benzene and toluene which will undergo nitration

most easily and why?

Question 10: An alkene ‘A’ on ozonolysis gives a mixture of ethanal and pentan-3-one.

Writestructure and IUPAC name of ‘A’.

Question 11: In the presence of peroxide addition of HBr to prepare propene takes place

according to anti Markovnikov’s rule but peroxide effect if not seen in the

case of HCl and HI. Explain.


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BIOLOGY CH- 19 Excretory Products and their Elimination

Q.1Differentiate between ureotelic and uricotelic animals with examples.

Q.2 Which is the chief nitrogenous waste product in birds ?

Q.3 How is it advantageous for certain fishes to be ammonotelic ?

Q.4 Describe glomerular filtration in human nephrons .

Q.5 How do kidneys contribute to osmoregulation.

CH- 20 Locomotion And movement

Q.1 Explain a synovial joint .

Q.2 Differentiate between osteoporosis and osteoarthritis.

Q.3 What is the role of calcium ions in muscle contraction?

Q.4 Explain in detail the sliding filament theory of muscle contraction .

Q.5 Describe in detail the structure of a sarcomere.

CH-21 Neural Control And Coordination

Q.1 Explain any two functions of cerebrospinal fluid in humans.

Q.2 What is blind spot ? why is it so named ?

Q.3Enumerate the functions of hypothalamus.

Q.4 Where are temporal lobe and corpus callosum located? Give one function of each.

Q.5 Explain briefly the function of human middle ear.


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COMPUTER SCIENCE

Complete Practical File with following programs:

1. Write a program in python to accept a string and display it in reverse order.

2. Write a program in python to accept a string and check whether it is palindrome or

not

3. Write a program in python to extract a list slice out of a given list of numbers

from 1 to 20. Display average of elements in the slice that contains every fourth

element of the list.

4. Write a program in python to calculate mean of a list of numbers.

5. Write a program in python containing dictionary with some product names and

prices. The program should repeatedly enter a product name and print

corresponding price or message if the product is not in dictionary.

6. Write a program in python containing dictionary with month and no. of days. Print

out the key:value pairs sorted by month.

Write 10 SQL commands based on a table.

Make any project of your choice based on python .


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BUSINESS STUDIES Project : Marketing Management

Students are required to select any one product from the following list and make a

project.

List of products

1. Toothpaste

2. Noodles

3. Shampoo

4. Bathing soap

5. Washing detergent

6. Washing powder

7. Lipstick

8. Moisturiser

9. Shoe polish

10. Pen

11. Shoes

12. Hair dye

13. Mobile

14. Chocolate

15. Sauces/ketchup

16. Ready soups

17. Body spray

18. Fairness cream

19. Hair oil

20. Roasted Snacks

21. Jeans

22. Pickles

23. Squashes

24. Jams

25. Salt

26. Bread

27. Butter

28. Shaving cream

29. Razor

30. Cheese spreads

31. e –Wash

32. Tiffin wallah

33. Air Conditioners

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34. Infant dress

35. Sunglasses

36. Fans

37. Fruit candy

37. Washing powder

39. Bathroom cleaner

40. Wipes

41. Shoe polish .etc.

Identify one product/service from the above which the students may like to

manufacture/provide [pre Assumption].

Now the students are required to make a project on the identified product/service keeping

in mind the following.

1. Why have they selected this product/service?

2. Find out 5‟ competitive brands that exist in the market.

3. What permission and licenses would be required to make the product?

4. What are your competitors Unique Selling Proposition? [U.S.P.]?

5. Does your product have any range give details?

6. What is the name of your product?

7. Enlist its features.

8. Draw the „Label‟ of your product.

9. Draw a logo for your product.

10. Draft a tag line.

11. What is the selling price of your competitor’s product?

(i) Selling price to consumer

ii) Selling price to retailer

(iii) Selling price to wholesaler

What is the profit margin in percentage to the

Manufacturer.

Wholesaler.

Retailer.

12. How will your product be packaged?

13. Which channel of distribution are you going to use? Give reasons for selection?

14. Decisions related to warehousing, state reasons.

15. What is going to be your selling price?

(i) To consumer

(ii) To retailer

(iii) To wholesaler

16. List 5 ways of promoting your product.

17. Any schemes for

(i) The wholesaler

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(ii) The retailer

(iii) The consumer

18. What is going to be your „U.S.P?

19. What means of transport you will use and why?

20. Draft a social message for your label.

21. What cost effective techniques will you follow for your product.

22. What cost effective techniques will you follow for your promotion plan.

At this stage the students will realise the importance of the concept of marketing mix and

the necessarydecision regarding the four P‟s of marketing.

Product

Place

Price

Promotion

On the basis of the work done by the students the project report should include the

following:

1. Type of product /service identified and the (consumer/industries) process involve there

in.

2. Brand name and the product.

3. Range of the product.

4. Identification mark or logo.

5. Tagline.

6. Labeling and packaging.

7. Price of the product and basis of price fixation. 8. Selected channels of distribution and

reasons thereof.

9. Decisions related to transportation and warehousing. State reasons.

10. Promotional techniques used and starting reasons for deciding the particular

technique.

11. Grading and standardization.

Presentation and Submission of Project Report

At the end of the stipulated term, each student will prepare and submit his/her project

report.

Following essentials are required to be fulfilled for its preparation and submission.

1. The total length of the project will be of 25 to 30 pages.

2. The project should be handwritten.

3. The project should be presented in a neat folder.

The project report should be developed in the following sequence-

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Cover page should include the title of the Project, student information, school and year.

List of contents.

Acknowledgements and preface (acknowledging the institution, the places visited and

the

persons who have helped).

Introduction.

Topic with suitable heading.

Planning and activities done during the project, if any.

Observations and findings of the visit.

Conclusions (summarized suggestions or findings, future scope of study).

Photographs (if any).

Appendix

Teacher’s observation.

Signatures of the teachers.

At the completion of the evaluation of the project, it should be punched in the centre so

that

the report may not be reused but is available for reference only.

The projects will be returned after evaluation. The school may keep the best projects.

ASSESSMENT

Allocation of Marks = 10

The marks will be allocated under the following heads:

1. Initiative, cooperativeness and participation 1 Mark

2. Creativity in presentation 1 Mark

3. Content, observation and research work 2 Mark

4. Analysis of situations 2 Mark

5. Viva 4 Mark


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ACCOUNTANCY

PREPARE ACCOUNTS FILE FOR FINAL PRACTICAL ON COMPREHENSIVE

PROBLEM.

COMPREHENSIVE PROJECT- comprising of

a) Case Study

b) Journal

c) Ledger

d) Trial balance

e) Financial Statements

f) Ratio analysis.

Students will prepare a Project File to record their work related to the problems

attempted by them in the following format :

1. First page of the file should describe title of work, identity of student, school, and the

teacher concerned.

2. Index to indicate columns for title of work, page no., date, teacher's remarks and

signature.

3. The format for Project Work will be :

Statement of the problem / Name of the Project

Objectives

Period of Study

Source Material

Tools of Analysis used

Processing and Tabulation of data

Diagrammatic/graphic presentation- pie-diagram , bar diagram and graphs.

Derivations , Interpretation and Conclusion.

Assumptions (if any)

Project File should be neatly handwritten and presentable with page numbers. Each

step of the solution needs to be highlighted. Conclusions drawn should be placed in

boxes at the end.


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ECONOMICS PROJECT WORK

Effect on PPC due to various government

policies Invisible Hand (Adam Smith)

Opportunity Cost as an Economic Tool (taking real life situations)

Effect of Price Change on a Substitute Good (taking prices from real life visiting

local market)

Effect on equilibrium Prices in Local Market (taking real life situation or recent

news)

Effect of Price Change on a Complementary Good (taking prices from real life

visiting local market)

Solar Energy, a Cost Effective Comparison with Conventional Energy Sources

Bumper Production- Boon or Bane for the Farmer

Any other newspaper article and its evaluation on basis of economic principles

Food Supply Channel in India

Micro and Small Scale Industries

Disinvestment policy of the government

Contemporary Employment situation in India

Goods and Services Tax Act and its Impact on GDP

Health Expenditure (of any state

Inclusive Growth Strategy

Human Development Index

Trends in Credit availability in India

Self-help group

Role of RBI in Control of Credit

Monetary policy committee and its functions

Government Budget its Components

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Trends in budgetary condition of India

Exchange Rate determination – Methods and Techniques

Currency War – reasons and repercussions

Alternate fuel – types and importance

Livestock – Backbone of Rural India

Golden Quadrilateral- Cost ratio benefit

SarwaSikshaAbhiyan – Cost Ratio Benefits

Relation between Stock Price Index and Economic wealth of nation

Minimum Support Prices

Waste Management in India – Need of the hour

Minimum Wage Rate – approach and Application

Rain Water Harvesting – a solution to water crisis

Digital India- Step towards the future

Silk Route- Revival of the past

Vertical Farming – an alternate way

Bumper Production- Boon or Bane for the farmer

Make in India – The way ahead

Organic Farming – Back to the Nature

Rise of Concrete Jungle- Trend Analysis

Any other newspaper article and its evaluation on basis of economic principles

Any other topic


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INFORMATICS PRACTICES

Complete Practical File with following programs:

7. Write a program in python to accept a string and display it in reverse order.

8. Write a program in python to accept a string and check whether it is palindrome or

not.

9. Write a program in python to extract a list slice out of a given list of numbers

from 1 to 20. Display average of elements in the slice that contains every fourth

element of the list.

10. Write a program in python to calculate mean of a list of numbers.

11. Write a program in python containing dictionary with some product names and

prices. The program should repeatedly enter a product name and print

corresponding price or message if the product is not in dictionary.

12. Write a program in python containing dictionary with month and no. of days. Print

out the key:value pairs sorted by month.

13. Write a program in python to create a 3 X 4 two dimensional ndarray from the

range of integers 13..24.

14. Write a program in python to concatenate following grid along axis 1.

grid= [[1,2,3],

[ 4,5,6]]

Write 10 SQL commands based on a table.


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PSYCHOLOGY ANSWER THE FOLLOWING QUESTIONS

Q1. Want, motives, need and hunger refer to ____________.

A) Intelligence B) Cognitive Behavior C)Motives D)Abnormal Behavior

Q2. __________ refers to the state within a person or animal that drives behavior toward

some goal.

A) Competence B)Affiliation C)Self actualization D)Motivation

Q3. __________is regarded as impelling a person or animal to action.

A) Need B)Stimuli C)Drive D)None of these

Q4. The second stage of motivational cycle is _____________________________.

Q5. Intrinsic motivation is _____________________________________.

Q6. The Cannon-Bard Theory deals with ________________________

A) Thalamus and Hypothalamus B)Corpus Callosum

Q7. Maslow’s hierarchy of needs includes ______,_______,________,________,______.

Q8. Thinking is closely related to _______________.

A) Language B)Feelings C)perception D)Ideas

Q9. Illumination involves ___________________

A) Insight experience B)New Solution C)None of these

Q10. Schemas are______________________________________________________.

Q11. What do you understand by Decision Making?

Q12. What is Brainstorming?

Q13. Differentiate between convergent and Divergent Thinking, Inductive and Deductive

Reasoning.

Q14. Discuss sequence involved in problem solving.

Q15. Why is it important to manage negative emotion? Suggest ways to manage negative

emotions.

Q16. What is intrinsic motivation?

Q17. How emotions are important in our life?

Q18. What is conflict? Discuss different types of conflicts.

Q19. What is frustration? Discuss main sources of frustration.

Q20. Discuss the management of negative emotions and enhancement of positive ones.

Q21. Explain classical and operant conditioning in detail.

Q22. Define learning disability and write the symptoms of learning disabilities.

Q23. A good role model is very important for growing up child. Discuss the kind of

learning that supports it.

Q24. How information is processed through sensory, short term and long term systems?

Q25. Write some strategies to enhance your creative thinking.


22

POLITICAL SCIENCE Q1 MULTIPLE CHOICE QUESTIONS:-

1. Secularism means- a. State is against to all religious

b. State accept only one religion

c. State will not give any special concern with any religion

d. None of these

2. According to act 28, which type of education is resisted in educational

institution? a. Education of specific religion

b. Navy Education

c. Moral Education

d. Sex Education

3. In which country Non-Muslim are not allowed?

a. USA

b. Saudi Arabia

c. India

d. None of these

4. How many language are mentioned in the 8th schedule a. 14

b. 15

c. 13

d. 22

5. In USA, separation between state & religion means a. Prohibition free exercise of religion

b. Respect an religion

c. Neither the state nor the religion can interfere in affair of one another

d. None of these

Q2 SHORT ANSWER TYPE QUESTIONS:-

1. Write a short note on Pacifism.

2. How does race for armaments lead to fear and anarchy?

3. Mention any two features of development.

4. Is there a universally acclaimed model of development?

5. Describe the Gandhian model of development?

Q3 LONG ANSWER TYPE QUESTIONS:-

1. Mention the contemporary challenges to world peace? What are the different

approaches to the pursuit of peace?

2. How is inter-religious domination different to intra religious domination?


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PHYSICAL EDUCATION

Ques-1 Ramesh, a young boy, works at construction sites. He lifts heavy weight on his

head regularly. When he tried to join the army, he was shocked to know that the

army doctor declared him unfit because of his feet deformity.

(i) Name the postural deformity Ramesh is suffering from?

(ii) Which exercise should Ramesh practice to correct his deformity?

Ques-2 Explain benefits, contradiction and technique of performing paschimottanasana?

Ques-3 Write about ‘female athlete triad’ in detail?

Ques-4 How AAHPER youth fitness test is administrated?

Ques-5 Complete practical file which includes:-

A) Complete detail of Game

B) 3 yoga asana with their life style disease (Each lifestyle disease)

C) Paste pictures cover your file.


Documents

ST. ANGEL S SCHOOL WINTER HOLIDAYS HOMEWORK(2019-20) … · PHYSICS OSCILLATIONS 1. Water in a U-tube executes S.H.M. Will the time period for mercury filled up to the same height