A nuclear reaction along with the masses of the particles taking part in it is as follows: A+B⟶C+D+QMeV 1.002amu+1.004amu⟶1.001amu+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 B1.862MeV by relation Q=∑mr−∑mp=2.006−2.004 ∴Q=0.002×931=1.86MeV