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1 MeV (Mega electron volt) is equal to

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Important Questions on Work and Energy

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9th CBSE
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Modern's abc+ Of Science - Physics For Class IX>Chapter 5 - Work and Energy>Summative Assessment Some Solved CBSE Sample Questions>Q 5
Find the work done for a displacement of 4 m from the following graph.
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9th CBSE
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Modern's abc+ Of Science - Physics For Class IX>Chapter 5 - Work and Energy>Summative Assessment Some Solved CBSE Sample Questions>Q 7

A body is at rest. It may possess

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Modern's abc+ Of Science - Physics For Class IX>Chapter 5 - Work and Energy>Summative Assessment Some Solved CBSE Sample Questions>Q 8

Two bodies of mass 2 g and 3 g have equal kinetic energy. Which of the ratios of their momentum given below, is the correct one?

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9th CBSE
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Modern's abc+ Of Science - Physics For Class IX>Chapter 5 - Work and Energy>Summative Assessment Some Solved CBSE Sample Questions>Q 9
The angle between force and displacement is θ. For what value of  θ is work done zero?
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9th CBSE
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Modern's abc+ Of Science - Physics For Class IX>Chapter 5 - Work and Energy>Summative Assessment Some Solved CBSE Sample Questions>Q 10

A coolie lifts a suitcase and walks from the platform to an overhead bridge. The work done by the coolie is

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9th CBSE
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Modern's abc+ Of Science - Physics For Class IX>Chapter 5 - Work and Energy>Summative Assessment Some Solved CBSE Sample Questions>Q 11

1 erg = _____Joule.

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9th CBSE
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Modern's abc+ Of Science - Physics For Class IX>Chapter 5 - Work and Energy>Summative Assessment Some Solved CBSE Sample Questions>Q 12
1 J =_____ ×10 m
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9th CBSE
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Modern's abc+ Of Science - Physics For Class IX>Chapter 5 - Work and Energy>Summative Assessment Some Solved CBSE Sample Questions>Q 14
Heat energy is present in a body in the form of