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प्रश्न
The S.I. unit of work is
पर्याय
second
metre
joule
newton
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उत्तर
joule
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संबंधित प्रश्न
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A sailboat is moving due to wind energy.
What are the units of (a) work, and (b) energy?
What do you mean by a kilo joule?
List any six forms of energy and write a short note on each of them.
State the energy changes which take place when A stone dropped from the top of a cliff reaches the ground after some time.
Give an example
Chemical energy changes to electrical energy.
What should be the characteristic of a source of energy?
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A green plant is carrying out photosynthesis.
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
Food grains are getting dried in the sun.
