A nucleus of mass M + Delta m is at rest and | vedclass

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(D) In a nuclear decay or fission process,the system moves toward a more stable state.Stability is determined by the binding energy per nucleon.$A$ nu

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$E_2 > E_1$

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(D) In a nuclear decay or fission process,the system moves toward a more stable state.Stability is determined by the binding energy per nucleon.$A$ nucleus with a higher binding energy per nucleon is more stable.Since the parent nucleus decays into two daughter nuclei,the daughter nuclei must be more stable than the parent nucleus to satisfy the energy release condition.Therefore,the binding energy per nucleon of the daughter nuclei $(E_2)$ must be greater than that of the parent nucleus $(E_1)$.Thus,$E_2 > E_1$.

$A$ nucleus of mass $M + \Delta m$ is at rest and decays into two daughter nuclei of equal mass $\frac{M}{2}$ each. The speed of light is $c$. The binding energy per nucleon for the parent nucleus is $E_1$ and that for the daughter nuclei is $E_2$. Then:

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