# Work, Energy and Power (BITSAT Physics): Questions 1 - 4 of 19

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## Question number: 1

» Work, Energy and Power » Kinetic Energy

MCQ▾

### Question

If the new velocity of a body is twice its previous velocity, then kinetic energy will become –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Work, Energy and Power » Conservation of Mechanical Energy

MCQ▾

### Question

A simple pendulum with a bob of mass oscillates from to and back to A such that is H. If the acceleration due to gravity is , then the velocity of the bob as it passes through B is –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 3

» Work, Energy and Power » Potential Energy

MCQ▾

### Question

A bread gives a boy of mass an energy of . If the efficiency is then height can be climbed by him using this energy, is –

### Choices

Choice (4) Response

a.

5 m

b.

15 m

c.

10 m

d.

22.5 m

## Question number: 4

» Work, Energy and Power » Potential Energy

MCQ▾

### Question

If a body of mass falls from a height and its total potential energy is conserved into kinetic energy, at the point of contact of the body with the surface, then decrease in potential energy of the body at the contact is –

### Choices

Choice (4) Response

a.

b.

c.

d.

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