A) Less than the sum of masses of two protons and two neutrons
B) Equal to mass of four protons
C) Equal to mass of four neutrons .
D) Equal to sum of masses of two protons and two neutrons
Correct Answer: A
Solution :
This is due to mass defect because a part of mass is used in keeping the neutrons and protons bound as \[\alpha -\]particle.You need to login to perform this action.
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