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प्रश्न
Give one example when:
Mechanical energy to heat energy.
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उत्तर
Rubbing of palms.
संबंधित प्रश्न
What name is given to the heat energy obtained from hot rocks inside the earth?
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
Give one relevant example for the following transformation of energy :
Chemical energy to light energy.
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
What is wind energy?
What kind of energy is possessed in a situation when?
A fish moving in the water.
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
In a hydroelectric power station, 1000 kg of water is allowed to drop through a height of 100 m in 1 sec. If the conversion of potential energy to electric energy is 60%. Calculate the power output. [Take: g = 10m/sec2]
Ocean thermal energy is due to
