Work, Energy and Power (AIIMS Physics): Questions 1 - 5 of 25

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Question number: 1

» Work, Energy and Power » Elastic and Inelastic Collisions

Appeared in Year: 2006

MCQ▾

Question

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

Choices

Choice (4) Response

a.

The total potential energy is conserved

b.

The total kinetic energy is conserved

c.

The linear momentum is conserved

d.

The linear momentum is not conserved

Question number: 2

» Work, Energy and Power » Elastic and Inelastic Collisions

MCQ▾

Question

Which of the following is true: -

Choices

Choice (4) Response

a.

Neither momentum nor kinetic energy is conserved in inelastic collisions.

b.

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

c.

Momentum is conserved in all collisions but not kinetic energy

d.

Momentum and kinetic energy are conserved in all collisions.

Question number: 3

» Work, Energy and Power » Kinetic Energy

Appeared in Year: 2001

MCQ▾

Question

A body of mass 5 kg has momentum of 10kgms . 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.

2.2J

c.

1.1 J

d.

4.4J

Question number: 4

» Work, Energy and Power » Kinetic Energy

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.

23

b.

1681

c.

89

d.

827

Question number: 5

» Work, Energy and Power » Work-Energy Theorem

Appeared in Year: 2005

MCQ▾

Question

A block of mass 10 kg is moving in x-direction with a constant speed of 10ms . It is subjected to a retarding force F=0.1xjoulesmeter during its travel from x=20meters to x=30meters . Its final kinetic energy will be – [AIIMS]

Choices

Choice (4) Response

a.

450 joules

b.

275 joules

c.

250 joules

d.

475 joules

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