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Question

A nuclear reaction along with the masses of the particles taking part in it is as follows:
A+BC+D+QMeV
1.002amu+1.004amu1.001amu+1.003amu+Q
The energy Q liberated in the reaction is

A
1.234MeV
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B
1.862MeV
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C
0.931MeV
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D
0.800MeV
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Solution

The correct option is B 1.862MeV
by relation
Q=mrmp=2.0062.004
Q=0.002×931=1.86MeV

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