Chapter 10: Work and Energy MCQs | science Class 9 CBSE

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Question 1

Objective

SI unit of work is:

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Question 2

Objective

Work done is negative when:

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Question 3

Objective

Which of the following has energy?

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Question 4

Objective

Energy possessed due to motion is:

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Question 5

Objective

Expression for kinetic energy is:

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Question 6

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Energy possessed due to position is:

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Question 7

Objective

Power is the rate of:

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Question 8

Objective

Unit of power is:

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Question 9

Objective

1 kilowatt equals:

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Question 10

Objective

Commercial unit of energy is:

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Question 11

Objective

Which of these is not a form of mechanical energy?

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Question 12

Objective

An object has 1 joule of energy if it:

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Question 13

Objective

When force and displacement are perpendicular:

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Question 14

Objective

Mechanical energy is:

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Question 15

Objective

If work done is 100 J in 20 s, power is:

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Question 16

Objective

1 kWh equals:

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Question 17

Objective

A body falling freely gains:

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Question 18

Objective

When work is done on a body, energy is:

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Question 19

Objective

If no displacement occurs, work done is:

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Question 20

Objective

K.E. increases with:

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Chapter sections

Chapter 10: Work and Energy | MCQs

SI unit of work is:

Work done is negative when:

Which of the following has energy?

Energy possessed due to motion is:

Expression for kinetic energy is:

Energy possessed due to position is:

Power is the rate of:

Unit of power is:

1 kilowatt equals:

Commercial unit of energy is:

Which of these is not a form of mechanical energy?

An object has 1 joule of energy if it:

When force and displacement are perpendicular:

Mechanical energy is:

If work done is 100 J in 20 s, power is:

1 kWh equals:

A body falling freely gains:

When work is done on a body, energy is:

If no displacement occurs, work done is:

K.E. increases with:

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