Work, Energy and Power (AIIMS (All India Institute of Medical Sciences) Physics): Questions 21 - 25 of 25

Visit this page to view all the question topics

To view these problems with solutions proceed here and click "Subscribe Now".

Question number: 21

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

Ratio of mass of proton and mass of electron is nearly about 1840. Now, if proton is accelerated by a potential difference of 2 KV, its kinetic energy is –

Choices

Choice (4) Response

a.

b.

c.

d.

To view these problems with solutions proceed here and click "Subscribe Now".

Question number: 22

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

A body rests on a horizontal rough surface. The coefficient of friction between the body and the surface is . The body is given a velocity of . What is the distance covered by the body before coming to rest?

Choices

Choice (4) Response

a.

112.5 m

b.

100 m

c.

120.6 m

d.

132.5 m

To view these problems with solutions proceed here and click "Subscribe Now".

Question number: 23

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

A body of mass 10 kg has momentum of. When a force of 0.4 N is applied on it for 15 seconds, what is the change in its kinetic energy –

Choices

Choice (4) Response

a.

10.8 J

b.

5.0 J

c.

8.2 J

d.

15.2 J

To view these problems with solutions proceed here and click "Subscribe Now".

Question number: 24

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

The spring constant of a spring balance is . It is initially stretched by 5 cm from the unstretched position. Then the work done to stretch it further by another 10 cm is

Choices

Choice (4) Response

a.

b.

c.

d.

To view these problems with solutions proceed here and click "Subscribe Now".

Question number: 25

» Work, Energy and Power » Kinetic Energy

MCQ▾

Question

A spherical solid ball of mass 1kg and radius 3 cm is rotating about its own axis with an angular velocity of 50 radians per second. Find its kinetic energy of rotation.

Choices

Choice (4) Response

a.

b.

c.

d.

To view these problems with solutions proceed here and click "Subscribe Now".