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प्रश्न
Give three examples of bodies possessing potential energy.
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उत्तर
(i) An object kept at a height above the ground.
(ii) A compressed spring, and
(iii) A stretched catapult.
संबंधित प्रश्न
Define calorific value of a fuel.
Select the correct alternatives
A ball rolling on the ground possesses
State two characteristic which a source of energy must have.
Select the renewable and non-renewable sources of energy from the following:
Water
Write the type of energy possessed in the following case:
A falling apple
Give two examples each of renewable and non-renewable sources of energy?
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
State the energy transformation on the following:
Electricity is obtained from wind energy.
Give one example when:
Heat energy changes to kinetic energy.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
