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प्रश्न
State the energy changes which take place when:
Photographic film is exposed to sunlight.
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उत्तर
The light energy changes to chemical energy
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संबंधित प्रश्न
Select the correct alternatives
The energy stored in an electric cell is
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
What is the main source of energy for earth?
Write five forms of energy.
What kind of energy is possessed in a situation when?
A stone lying on the top of roof.
State the energy changes which take place when:
An air gun is loaded and then fired.
State the energy changes which take place when:
A magnesium ribbon burns in air.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
A body of mass 0.2 kg falls from a height of 10 m to a height of 6 m above the ground. Find the loss in potential energy taking place in the body. [g = 10ms−2]
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
