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प्रश्न
What is nuclear energy?
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उत्तर
The energy released/required during disintegration of a nucleus is called nuclear energy.
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संबंधित प्रश्न
State the energy change in the following device while in use:
A glowing electric bulb.
State the changes in form of energy while producing hydro electricity.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A compressed spring
How is wind energy used to produce electricity?
State the energy transformation on the following:
Electricity is obtained from hydro energy.
What kind of energy is possessed in a situation when?
A cocked up spring of air gun.
State the energy changes which take place when:
An air gun is loaded and then fired.
A ball of mass 200 g falls from a height of 5 m. What will be its kinetic energy when it just reaches the ground? (g = 9.8 m s−2)
A moving body weighing 400 N possesses 500 J of kinetic energy. Calculate the velocity with which the body is moving. (g = 10 ms2)
For the same kinetic energy of a body, what should be the change in its velocity if its mass is increased nine times?
