Modern Physics 5 Question 15
15. A star initially has
(1993, 2M)
(a)
(c)
(b)
(d)
The mass of the nuclei are as follows
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Answer:
Correct Answer: 15. (c)
Solution:
- The given reactions are :
Mass defect
Energy released
This is the energy produced by the consumption of three deuteron atoms.
The average power radiated is
Therefore, total time to exhaust all deuterons of the star will be
