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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
A certain form of energy which is not sourced directly or indirectly from the sun and does not cause any pollution is very easily converted into electricity. This form of energy is, however, not available everywhere. Moreover, it is technically very difficult and expensive to obtain it. Name the form of energy.
Select the correct alternatives
The energy stored in an electric cell is
Give one example of a body that has potential energy, in due to its state.
State the energy changes in the following case while in use:
an electric toaster.
How is the solar energy used to generate electricity in a solar power plant?
State the energy transformation on the following:
Electricity is obtained from hydro energy.
Write the type of energy possessed in the following case:
A wound-up spring
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
|
Use your brain power!
Why do tablets of camphor decrease in size day by day?
