If the binding energy per nucleon in \( { }_{3}^{7} \mathrm{Li} \) and \( { }_{2}^{4} \mathrm{He...

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If the binding energy per nucleon in \( { }_{3}^{7} \mathrm{Li} \) and \( { }_{2}^{4} \mathrm{He} \) nuclei is respectively \( 5.60 \mathrm{MeV} \) and \( 7.06 \mathrm{MeV} \), then the energy  Q of the reaction
\( { }_{3}^{7} \mathrm{Li}+{ }_{1}^{1} \mathrm{p} \longrightarrow 2{ }_{2}^{4} \mathrm{He} + Q\) is
(A) \( 19.60 \mathrm{MeV} \)
(B) \( 12.26 \mathrm{MeV} \)
(C) \( 8.46 \mathrm{MeV} \)
(D) \( 17.28 \mathrm{MeV} \)
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