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The atomic mass of ₆C¹² is 12.000000 u and that of ₆C¹³ is 13.003354 u. The required energy to remove a neutron from ₆C¹³, if mass of neutron is 1.008665 u, will be

Asked in JEE Main 27th Jan 2nd Shift 2024 · Mass defect and binding energy

Answer: (2) 4.95 MeV

Step-by-step solution

Δ m=12.000000+1.008665-13.003354=0.005311 u

E=0.005311×931.5=4.95 MeV

Why the other options are wrong

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