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प्रश्न
State the energy transformation on the following:
Electricity is obtained from solar energy.
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उत्तर
Light energy into electrical energy
संबंधित प्रश्न
Power spent by a body depends on the time for which it does work.
The moon is revolving around the earth in a circular path. How much work is done by the moon?
Does the earth move around the sun with a uniform velocity?
A man lifts a mass of 10 kg from the floor to a shelf 4 meter high. If g = 10 ms-2, what is the work done?
Give two examples of work done.
In the following case write yes, if the work is being done and no if no work is being done.
A coolie standing with a heavy load on his head
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
An engine is pulling a train.
