A) \[343.81\ MeV\]
B) \[0.369096\ MeV\]
C) \[931\ MeV\]
D) None of these
Correct Answer: A
Solution :
\[_{18}A{{r}^{40}}\] Total no of protons = 18 Total no of neutrons = 22 Mass defect \[=[m\times p+m\times n]-39.962384\] \[=[1.007825\times 18+1.008665\times 22]-39.962384\] \[=[18.14085+22.19063]-39.962384\] \[=0.369\] Binding energy = mass defect \[\times \] 931 \[=0.369\times 931=343.62\,MeV\]
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