Work, Energy and Power (AIIMS (All India Institute of Medical Sciences) Physics): Questions 1 - 5 of 25

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Question number: 1

» Work, Energy and Power » Elastic and Inelastic Collisions

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Appeared in Year: 2006

MCQ▾

Question

For inelastic collision between two spherical rigid bodies – [AIIMS]

Choices

Choice (4) Response

a.

The total kinetic energy is conserved

b.

The linear momentum is not conserved

c.

The linear momentum is conserved

d.

The total potential energy is conserved

Question number: 2

» Work, Energy and Power » Elastic and Inelastic Collisions

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MCQ▾

Question

Which of the following is true: -

Choices

Choice (4) Response

a.

Momentum is conserved in all collisions but not kinetic energy

b.

Momentum is conserved in all collisions but kinetic energy is conserved only in inelastic collision

c.

Momentum and kinetic energy are conserved in all collisions.

d.

Neither momentum nor kinetic energy is conserved in inelastic collisions.

Question number: 3

» Work, Energy and Power » Kinetic Energy

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Appeared in Year: 2001

MCQ▾

Question

A body of mass 5 kg has momentum of . When a force of 0.2 N is applied on it for 10 seconds, what is the change in its kinetic energy: - [AIIMS]

Choices

Choice (4) Response

a.

3.3J

b.

4.4J

c.

2.2J

d.

1.1 J

Question number: 4

» Work, Energy and Power » Kinetic Energy

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Appeared in Year: 2003

MCQ▾

Question

A neutron makes a head on elastic collision with a stationary deuteron. The fractional energy loss of the neutron in the collision is [AIIMS]

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» Work, Energy and Power » Work-Energy Theorem

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Appeared in Year: 2005

MCQ▾

Question

A block of mass 10 kg is moving in x-direction with a constant speed of . It is subjected to a retarding force during its travel from to . Its final kinetic energy will be – [AIIMS]

Choices

Choice (4) Response

a.

450 joules

b.

275 joules

c.

475 joules

d.

250 joules