Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A star has a supply of 
deuterons. It produces energy via a fusion reaction
and 
If the average power radiated by the star is 
. The deuteron supply of the star is exhausted in a time of the order of 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Net process is
Mass defect, 
Energy released by fusion of 3 deuterons
Total energy that can be released by the star is
Time for which it can produce energy at the constant rate is 
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