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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
Name the process used for producing electricity using nuclear energy.
State one important advantage and disadvantage each of using nuclear energy for producing electricity.
Select the correct alternatives
A ball rolling on the ground possesses
Give one example of a body that has potential energy, in due to its state.
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
Select the renewable and non-renewable sources of energy from the following:
Water
What do you understand by the potential energy of the body?
What do you understand by the kinetic energy of the body?
What happens to the K.E. when
(i) the mass of the body is doubled at a constant velocity and
(ii) the velocity of the body is doubled at constant mass?
State the energy changes which take place when:
A magnesium ribbon burns in air.
