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प्रश्न
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संबंधित प्रश्न
Select the renewable and non-renewable sources of energy from the following:
Water
What is wind energy?
Explain the principle of generating electricity from hydro energy.
What do you understand by the kinetic energy of the body?
What kind of energy is possessed in a situation when?
A horse running along a level road
Give two examples each of renewable and non-renewable sources of energy?
State two advantages and disadvantages of using wind energy for producing electricity.
State the energy changes which take place when:
A bulb glows, when torchlight is switched on.
Give one example when:
Chemical energy changes to light energy.
Two bodies, A and B of equal mass are kept at heights 20 m and 30 m respectively. Calculate the ratio of their potential energies.
