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प्रश्न
State the energy changes which take place when:
Burning of coal.
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उत्तर
The chemical energy changes into heat energy.
संबंधित प्रश्न
State the energy change in the following device while in use:
A glowing electric bulb.
Name the type of energy (kinetic or potential) possessed by the following:
A bullet fired from a gun.
What do you understand by the kinetic energy of a body?
Name the form of mechanical energy, which is put to use.
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
How much hydroelectric power is generated in India?
Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?
Write five forms of energy.
Give three examples of bodies possessing kinetic energy.
State the energy changes which take place when:
In a heat engine.
