Modern Physics 5 Question 22
25. Let be the mass of proton, the mass of neutron. the mass of nucleus and the mass of nucleus. Then
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 25. 9
Solution:
- Due to mass defect (which is finally responsible for the binding energy of the nucleus), mass of a nucleus is always less than the sum of masses of its constituent particles.
Also, heavier the nucleus, more is the mass defect.
Thus,