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Question

The energy of the reaction Li7+p2He4 is (the binding energy per nucleon in Li7 and He4 nuclei are 5.60 and 7.06 MeV respectively.)

A
17.3 MeV`
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B
1.73 MeV
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C
1.46 MeV
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D
Depends on binding energy of proton
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Solution

The correct option is D Depends on binding energy of proton
The energy released will depend on the energy equivalent of proton, taking its mass to be 1amu or
corresponding energy as 931.5Mev
we get energy released as Q=EreactantEproduct=7×5.6+931.52×4×7.06=914.22Mev

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