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प्रश्न
Give one example when:
Kinetic energy to potential energy.
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उत्तर
Throwing up a pebble from the ground.
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
How much electric power is generated in India using the wing energy?
Give three examples of bodies possessing kinetic energy.
Write the type of energy possessed in the following case:
A moving cricket ball.
State the energy changes which take place when:
An air gun is loaded and then fired.
Give one example when:
Potential energy changes to electric energy.
A boy sits and stands repeatedly. Draw a graph showing the variation of potential energy with time.
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
|
When and why do clothes smell of naphthalene?
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
