Work, Energy and Power-Work-Energy Theorem (AIIMS Physics): Questions 1 - 4 of 10

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

Question number: 1

» 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

Question number: 2

» Work, Energy and Power » Work-Energy Theorem

Appeared in Year: 2003

MCQ▾

Question

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 kV, its kinetic energy will be –

Choices

Choice (4) Response

a.

920KeV

b.

1 KeV

c.

11840KeV

d.

1840KeV

Question number: 3

» Work, Energy and Power » Work-Energy Theorem

Appeared in Year: 2009

Assertion-Reason▾

Assertion (Ꭺ)

The change in kinetic energy of a particle is equal to the work done on it by the net force.

Reason (Ꭱ)

Change in kinetic energy of particle is equal to the work done only in case of system of one particle.

Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are false

Question number: 4

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

A bullet when fired at a target with a velocity of 150ms1 , penetrates 4.5 meter into it. If the bullet is fired with the same velocity at a similar target with a thickness 0.5 meter, then it will emerge from it with a velocity of –

Choices

Choice (4) Response

a.

1002ms

b.

100ms

c.

1002ms

d.

100ms

Sign In