Fission of nuclei is possible because the bin | vedclass

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(B) The stability of a nucleus is determined by its binding energy per nucleon $(B.E./A)$.According to the binding energy curve,for heavy nuclei (high

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Decreases with mass number at high mass numbers

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(B) The stability of a nucleus is determined by its binding energy per nucleon $(B.E./A)$.According to the binding energy curve,for heavy nuclei (high mass number $A$),the binding energy per nucleon decreases as the mass number increases.Nuclear fission occurs when a heavy nucleus splits into two lighter nuclei of intermediate mass,which have higher binding energy per nucleon than the original heavy nucleus.This increase in binding energy per nucleon results in the release of energy,making the process energetically favorable.Therefore,the correct option is $B$.

$A$. $Pa \cdot s$	$(i)$ $[L^2 \ T^{-2} \ K^{-1}]$
$B$. $N \cdot m \cdot K^{-1}$	$(ii)$ $[M \ L \ T^{-3} \ K^{-1}]$
$C$. $J \cdot kg^{-1} \cdot K^{-1}$	$(iii)$ $[M \ L^{-1} \ T^{-1}]$
$D$. $W \cdot m^{-1} \cdot K^{-1}$	$(iv)$ $[M \ L^2 \ T^{-2} \ K^{-1}]$

Fission of nuclei is possible because the binding energy per nucleon in them

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