# Work, Energy and Power (AIIMS (All India Institute of Medical Sciences) Physics): Questions 6 - 10 of 25

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## Question number: 6

» Work, Energy and Power » Power

MCQ▾

### Question

A body moves along the straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to: -

### Choices

Choice (4) Response

a.

b.

c.

d.

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## Question number: 7

» Work, Energy and Power » Kinetic Energy

Appeared in Year: 2004

MCQ▾

### Question

A bomb of mass 3.0 kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg. The smaller mass goes at a speed of. The total energy imparted to the two fragments is – [AIIMS]

### Choices

Choice (4) Response

a.

4.8 kJ

b.

2.4 kJ

c.

1.07 kJ

d.

2.14 kJ

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## Question number: 8

» 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.

b.

1 KeV

c.

d.

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## Question number: 9

» 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

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## Question number: 10

» Work, Energy and Power » Kinetic Energy

MCQ▾

### Question

A bomb of mass 5.0 kg explodes in air into two pieces of masses 2.0 kg and 3.0 kg. The smaller mass goes at a speed of. The total energy imparted to the two fragments is –

### Choices

Choice (4) Response

a.

36 kJ

b.

48 kJ

c.

12 kJ

d.

24 kJ

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