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Q.
In any fission process, ratio of mass of daughter nucleus to mass of parent nucleus is
Nuclei
Solution:
In fission process, when a parent nucleus breaks into daughter products, then some mass is lost in the form of energy. Thus, mass of fission products $ < $ mass of parent nucleus.
$\Rightarrow \frac{\text { Mass of fission products }}{\text { Mass of parent nucleus }} < 1$