The cause of energy liberated in a nuclear fission reaction is

change of potential energy into kinetic energy

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kinetic energy of resultant nucleus

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energy equivalent to mass lost

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none of these

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Solution

The correct option is C energy equivalent to mass lost
In Physics, mass energy equivalence states that anything having mass has an equivalent amount of energy and vice versa. The nuclear fission reaction may cause a system to lose some of its energy content and corresponding mass, releasing it as the radiant energy of light or as thermal energy. These energy liberated is equivalent to the mass lost

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Q. Assertion :The exchange of energy during nuclear reaction takes place in form of kinetic energy in nuclear fission. Reason: The evolution of kinetic energy leads to other forms of energy during fission.

Q. A heavier unstable nucleus breaks into two fragments of comparable mass in a nuclear fission reaction and energy is released because:

The heat energy released during nuclear fission and fusion is due to the :
(a) conversion of stored chemicals into energy (b) conversion of momentum into energy
(c) conversion of mass into energy (d) conversion of magnetism into energy

Q. Fusion reaction liberates more energy per unit mass than Fission reaction.

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