11th Class Physics Chapter 3 Short Questions with Answers Solved

Question: 1

What is mechanics? What are its branhes?

Answer: 1

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Mechnaics: It is the branch of physics in which we study about motion of bodies. causes and effects of motions.

Types:

1- Kinematics: It deals with the motion of bodies witout reference in force .

2- Dynamics: It deals with the motion of bodies with reference to force .

Question: 2

Discuss the velocity-time graph to discuss motion of the body.

Answer: 2

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Question: 3

What us acceleration? Explain its different terms.

Answer: 3

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Question: 4

Show that Ns is equlvalent to kg ms-1

Answer: 4

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Question: 5

Discuss Newton's law of motion breifly.

Answer: 5

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Question: 6

Define Rest and Motion. With the hel of an example, explain tht motion and rest relative?

Answer: 6

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Question: 7

What is displacement ? Describe its vector nature?

Answer: 7

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Question: 8

Differentiate between speed and velocity.

Answer: 8

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Question: 9

Define Uniform and variable velocity

Answer: 9

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Question: 10

Waht is velocity? Unit and direction and average velocity, INtantaneous velocity mathematically

Answer: 10

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Question: 11

Show that N is equivalent to kg ms-1

Answer: 11

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Question: 12

Discuss the displacement-time grpah

Answer: 12

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Question: 13

What is isolated system? Give its examples.

Answer: 13

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Question: 14

Why we can hit a long sixer in a cricket match rather than if we toss a ball for our selves?

Answer: 14

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Question: 15

A man standing on the top of a tower throws a ball vertically up with certain velocity. He also throws another ball vertically down with the same speed. Neglecting air resistance, Which ball will hit the ground with higher speed?

Answer: 15

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Question: 16

An aeroplane while travellling horizontally, dropped a bomb when it was exactly above the target, the bomb missed the target. Explain

Answer: 16

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Question: 17

The cricket coach explains that the follow-through with the shot willmake greter distane . Explain the reasoning is terms of the impulse-momentum theorem

Answer: 17

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Question: 18

State of conservation of momentum

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Question: 19

Define elastic and inellastic collision?

Answer: 19

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Question: 20

Can the velocity of a body reverse the direction when acceleration is constant give an example.

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Question: 21

Define and explain linear momentum.

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Question: 22

When yo release an inflacted but untled balloon, why does it fly across the room?

Answer: 22

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Question: 23

If you are riding on a trian that speed past another train moving in the same adjacent track, it appeas tha tthe othe rtrian is moving bakward.Why?

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Question: 24

Mrodern cars are not rigid but are designed to have 'crumple zones' that collapse upon inpact. What is the advantage of this new design?

Answer: 24

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Question: 25

Calculate the angle of projection for which kinetic energy at the summit is equal to one-fourth of its kinetic energy at point of projection.

Answer: 25

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Question: 26

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Question: 27

For any specific velocity of projection, the maximum range is equal to four times of the corresponding hiehgt, Disucss.

Answer: 27

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Question: 28

Why does a cricket playwr ralrace his hands backward while catching the ball?

Answer: 28

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Question: 29

The horizontal rangeof projectile is 4 times of its maximum height projection ?

Answer: 29

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Question: 30

Show that relation betwwwn maximum height and time of flight of projectile

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Question: 31

In long jump, what factors determine the spain of the jump?

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Physics Chapters

11th Class Chapter 3 Physics Short Questions

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