NEET Physics Mass-Energy Relation MCQ Question
Refer to the diagram showing the mass-energy equivalence in nuclear reactions. If the mass defect for a certain nuclear reaction is 0.137 u, what is the energy released according to Einstein's mass-energy relation E = mc²?
128.2 MeV
114.9 MeV
129.8 MeV
122.5 MeV
Correct Answer
Detailed Explanation
The energy released can be calculated using E = mc², where m is the mass defect (0.137 u). Converting atomic mass unit (u) to energy gives 1 u = 931.5 MeV, thus 0.137 u corresponds to 128.2 MeV.
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