1.

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: (i) A+B to C+e (ii) C to A+B+epsi (iii) D+E to F+epsi and (iv) F to D+E+epsi where epsi is the energy released? In which reaction is epsi positive?

Answer»

(ii) and (iv)
(ii) and (iii)
(i) and (iv)
(i) and (iii)

Solution :In EQN (i) and (iv) energy released E is +ve. As two HIGHER unstable nuclei FUSE together to form a HEAVY unstable nuclei with release of energy and a heavy unstable nuclei splits into stable nuclei with release of energy.


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