A star initially has `10^(40) ` deuterons. It produces energy via the process `_(1)H^(2) + _(1)H^(2) + rarr _(1) H^(3) + p. `and `_(1)H^(2) + _(1)H^(3) + rarr _(2) He^(4) + n` .If the average power radiated by the state is `10^(16) W` , the deuteron supply of the star is exhausted in a time of the order of . The masses of the nuclei are as follows: `M(H^(2)) = 2.014 amu,` `M(p) = 1.007 amu, M(n) = 1.008 amu, M(He^(4)) = 4.001 amu`.A. `10^(6)` sB. `10^(8)` sC. `10^(12)` sD. `10^(16)` s

A star initially has `10^(40) ` deuterons. It produces energy via the

1.	A star initially has `10^(40) ` deuterons. It produces energy via the process `_(1)H^(2) + _(1)H^(2) + rarr _(1) H^(3) + p. `and `_(1)H^(2) + _(1)H^(3) + rarr _(2) He^(4) + n` .If the average power radiated by the state is `10^(16) W` , the deuteron supply of the star is exhausted in a time of the order of . The masses of the nuclei are as follows: `M(H^(2)) = 2.014 amu,` `M(p) = 1.007 amu, M(n) = 1.008 amu, M(He^(4)) = 4.001 amu`.A. `10^(6)` sB. `10^(8)` sC. `10^(12)` sD. `10^(16)` s
Answer» Correct Answer - C

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The binding energy per nucleon number for deutron `H_(1)^(2)`and helium ` He_(2)^(4)` are `1.1 MeV` and `7.0 MeV` respectively . The energy released when two deuterons fase to form a belium nucleus `He_(2)^(4)` is ……..A. `2.2MeV`B. `23.6MeV`C. `28.0MeV`D. `30.2MeV`
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