Q)
The above is a plot of binding energy per nucleon $E_b$, against the nuclear mass M; A, B, C, D, E, F correspond to different nuclei. Consider four reactions : <br> (i) $ A + B \to C + \varepsilon \; \; \; \;$ (ii) $ C \to A + B + \varepsilon \; \; \; \;$ (iii) $D+ E \to F + \varepsilon \; and \; \; \; \; $ (iv) $ F \to D + E + \varepsilon$ <br> where $\varepsilon$ is the energy released ? In which reactions is $\varepsilon$ positive ? <br>
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