Mass numbers of the elements \( A, B, C \) and \( D \) are \( 30,60,90 \) and 120 respectively. ...

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Mass numbers of the elements \( A, B, C \) and \( D \) are \( 30,60,90 \) and 120 respectively. The specific binding energy of them are \( 5 \mathrm{MeV}, 8.5 \mathrm{MeV}, 8 \mathrm{MeV} \) and \( 7 \mathrm{MeV} \) respectively. Then, in which of the following reaction/s energy is released
[KCET 2012]
(1) \( D \rightarrow 2 B \)
(2) \( C \rightarrow B+A \)
(3) \( B \rightarrow 2 A \)
(a) Only in (1)
(b) In (2), (3)
(c) In (1), (3)
(d) In (1), (2) and (3)
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