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प्रश्न
State the energy change in the following device while in use:
A loudspeaker
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उत्तर
Electric energy to sound.
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संबंधित प्रश्न
Define calorific value of a fuel.
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Differentiate between the potential energy (U) and the kinetic energy (K).
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Electricity is obtained from wind energy.
What kind of energy is possessed in a situation when?
A horse running along a level road
State the energy changes which take place when:
Electricity obtained from nuclear energy.
Give one example when:
Chemical energy to electrical 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
|
The major problem in harnessing nuclear energy is how to
