Advertisements
Advertisements
प्रश्न
State the energy transformation on the following:
Electricity is obtained from wind energy.
Advertisements
उत्तर
Mechanical energy into electrical energy.
संबंधित प्रश्न
Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.
Select the renewable and non-renewable sources of energy from the following:
Wood
How is wind energy used to produce electricity?
A pebble is thrown up. It goes to a height and then comes back on the ground. State the different changes in form of energy during its motion.
State the energy changes which take place when:
Burning of coal.
Give one example when:
Light energy changes to chemical energy.
Give one example when:
Kinetic energy to potential energy.
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
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
|
Can you tell?
Describe one natural chain of transformation of energy.
