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प्रश्न
Give one example when:
Mechanical energy to heat energy.
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उत्तर
Rubbing of palms.
संबंधित प्रश्न
(i) The conversion of part of the energy into an undesirable form is called ______________.
(ii) For a given height h, __________________ the length l of the inclined plane, lesser will be the effort required.
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
Select the renewable and non-renewable sources of energy from the following:
Water
State two disadvantages of using nuclear energy for producing electricity.
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?
What is dissipation of energy?
Give one example when:
Kinetic energy changes to heat energy.
Give one example when:
Potential energy changes to electric energy.
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
The major problem in harnessing nuclear energy is how to
