Rankers Physics

Nucleus: Practice Problem & Solution

A star initially has \[10^{40}\] deuterons. It produces energy via the processes ; Nucleus diagram: A star initially has \[10^{40}\] deuterons. It produces If the average power radiated by the star is \[10^{16}\] W, the deuteron supply of the star is exhausted in a time of the order of :
\[10^{6}\] s
\[10^{8}\] s
\[10^{12}\] s
\[10^{16}\] s

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1. Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Nucleus having more binding energy per nucleon is more stable. Reason (R): Stability increase with increase in number of nucleons. In the light of the above statements, choose the correct answer from the options given below.
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