Class 9 Physics MCQs - Chapter 9

Work and Energy Multiple Choice Questions (MCQ) PDF Download - 18

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Work and Energy MCQs with Answers PDF Download: Quiz 18

MCQ 86:

By burning large amount of fuel, we get

petrol
heat
sound
chemicals

MCQ 87:

When a force of one newton displaces a body through one meter in the direction of force, the amount of work is

one omega
one pi
one delta
one joule

MCQ 88:

Rate at which a body does work is called

energy
power
efficiency
velocity

MCQ 89:

The rate of doing work is called

efficiency
stress
strain
power

MCQ 90:

If a body works at the rate of 1 joule per second, then the power of that body will be

one watt
zero watt
half watt
two watts

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