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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
संबंधित प्रश्न
Give one relevant example for the following transformation of energy :
Chemical energy to light energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
An arrow shot out of a bow.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
Select the renewable and non-renewable sources of energy from the following:
Water
State two uses of solar cells.
What is nuclear energy?
What kind of energy is possessed in a situation when?
A stone, in a stretched catapult.
For the same kinetic energy of a body, what should be the change in its velocity if its mass is increased nine times?
Find out the types of energy from the following puzzle.
Unit of calorific value of a substance is ____________.
