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प्रश्न
Give one example when:
Kinetic energy changes to heat energy.
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उत्तर
When two stones are rubbed against each other, kinetic energy changes to heat energy.
संबंधित प्रश्न
What name is given to the heat energy obtained from hot rocks inside the earth?
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
Select the renewable and non-renewable sources of energy from the following:
Wind
What is the main source of energy for earth?
Renewable source of energy is:
Write five forms of energy.
What kind of energy is possessed in a situation when?
A shooting arrow.
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:
In a heat engine.
State the energy changes which take place when:
A bulb glows, when torchlight is switched on.
