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The atom of a heavy fissionable element ...

The atom of a heavy fissionable element hit by a neutron of sufficient energy breaks into two or more lighter elements with the release of two or additional neutrons because-

A

Neutron is an uncharged particle

B

Momentum of neutron is very large

C

It is easier for protons than neutrons to be in the nucleus

D

Neutron-proton ratio increases as mass number of the element increases

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The correct Answer is:
A
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