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प्रश्न
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
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उत्तर
Burning of wood, coal etc.
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संबंधित प्रश्न
Select the correct alternatives
The energy stored in an electric cell is
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
Name six different forms of energy?
State the energy transformation on the following:
Electricity is obtained from nuclear energy.
Renewable source of energy is:
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
Give three examples of bodies possessing potential energy.
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
Give one example when:
Sound energy changes to electric energy.
