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प्रश्न
Give one example when:
Sound energy changes to electric energy.
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उत्तर
When we speak in front of the microphone, sound energy changes to electric energy.
संबंधित प्रश्न
Name five different forms of energy.
Name the type of energy (kinetic or potential) possessed by the following:
A bullet fired from a gun.
State two disadvantages of using wind energy for generating electricity.
How much hydroelectric power is generated in India?
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 car moves up a hill.
Give one example when:
Electrical energy to heat energy.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?
Can you tell?
What are the various forms of energy?
