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प्रश्न
Name the energy changes for the following:
bicycle brakes
उत्तर
Mechanical energy into heat energy.
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संबंधित प्रश्न
State different forms of potential energy and give one example of each.
Select the renewable and non-renewable sources of energy from the following:
Diesel
Select the renewable and non-renewable sources of energy from the following:
Wind
How is wind energy used to produce electricity?
Explain the principle of generating electricity from hydro energy.
State two advantages of using nuclear energy for producing electricity.
Give three examples of bodies possessing potential energy.
Name a device in which solar energy is converted into electricity state its two uses.
State the energy changes which take place when:
A stone projected vertically upwards, returns back to the thrower.
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
|
