In an \( \alpha \)-decay the Kinetic energy of \( \alpha \) particle is \( 48 \mathrm{MeV} \) an...

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In an \( \alpha \)-decay the Kinetic energy of \( \alpha \) particle is \( 48 \mathrm{MeV} \) and Q-value of the reaction is \( 50 \mathrm{MeV} \). The mass number of the mother nucleus is:- (Assume that daughter nucleus is in ground state)
(A) 96
(B) 100
(C) 104
(D) none of these
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