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प्रश्न
What is nuclear energy?
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उत्तर
When a heavy nucleus is bombarded with slow neutrons, it splits into two nearly equal light nuclei with a release of tremendous amount of energy. In this process of nuclear fission, the total sum of masses of products is less than the total sum of masses of reactants. This lost mass gets converted into energy. The energy so released is called nuclear energy.
संबंधित प्रश्न
What is geothermal energy?
Name the type of energy (kinetic or potential) possessed by the following:
A compressed spring.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A piece of stone placed on the roof.
Name three non-renewable sources of energy.
A hydroelectric power station takes its water from a lake whose water level is 50 m above the turbine. Assuming an overall efficiency of 40%, calculate the mass of water which must flow through the turbine each second to produce power output of 1 MW. (Take g = 10 m s−2).
Name the form of energy in which potential energy can change.
Write the type of energy possessed in the following case:
A falling apple
State the energy changes which take place when:
During electrolysis.
Can you tell?
Describe one natural chain of transformation of energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving bus
