Physics-Mass-Energy Relation
NEET Physics Mass-Energy Relation MCQ Question
Type: MCQ-numerical-Easy-Class 12
According to Einstein's mass-energy equivalence principle, if the mass defect of a nucleus is 0.13691 u, what is the equivalent energy released in MeV?
A
127.4 MeV
B
126.8 MeV
C
128.5 MeV
D
129.3 MeV
Correct Answer
Option A
Detailed Explanation
The energy equivalent of a mass defect is calculated using E=mc², where 1 u is equivalent to 931.5 MeV. Thus, 0.13691 u corresponds to approximately 127.4 MeV.
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