If the binding energy per nucleon in 73Li and 42He nuclei are 5.60MeV and 7.06MeV respectively, then in the reaction p+73Li→242He, energy of proton must be
A
28.24MeV
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B
17.28MeV
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C
1.46MeV
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D
39.2MeV
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Solution
The correct option is B17.28MeV Energy of proton =2×[4×7.06]−7×5.60 ∴ Energy of proton = 17.28MeV.