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प्रश्न
State the energy changes which take place in Electricity is obtained from solar energy.
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उत्तर
Heat energy from the sun is converted into electricity.
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संबंधित प्रश्न
Fill in the blank
Energy possessed by a compressed spring is ______ energy.
Select the correct alternatives
A ball rolling on the ground possesses
State the energy changes in the following case while in use:
an electric cell in a circuit
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 battery lighting up a bulb.
Give one example when:
Potential energy changes to electric energy.
Draw a diagram to show the energy changes in an oscillating simple pendulum. Indicate in your diagram how the total mechanical energy in it remains constant during the oscillation.
Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.
Match the pairs.
| Group 'A' | Group 'B' | ||
| (1) | Rolling object | (a) | Heat energy |
| (2) | Food | (b) | Atomic energy |
| (3) | Stretched bow | (c) | Kinetic energy |
| (4) | Sunlight | (d) | Potential energy |
| (5) | Uranium |
(e)
|
Chemical energy
|
