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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
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the highest point .
State the energy changes in the following case while in use:
an electric toaster.
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
Name three non-renewable sources of energy.
Match the pairs.
| Group 'A' | Group 'B' | ||
| (1) | Rolling object | (a) | Heat energy |
| (2) | Food | (b) | Atomic energy |
| (3) | Stretched bow | (c) | Kinetic energy |
| (4) | Sunlight | (d) | Potential energy |
| (5) | Uranium |
(e)
|
Chemical energy
|
Find out the types of energy from the following puzzle.
In which states is water found in nature?
Geothermal energy is:
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving bus
