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  • If a star can convert all the He nuclei completely into oxygen nuclei. The energy released per oxygen nuclei is (Mass of the helium nuclei is 4.0026 amu and mass of oxygen nucleus is 15. 9994 amie)

If a star can convert all the He nuclei completely into oxygen nuclei. The energy released per oxygen nuclei is (Mass of the helium nuclei is 4.0026 amu and mass of oxygen nucleus is 15. 9994 amie)
 

Option: 1

7.6 \mathrm{MeV}


Option: 2

56.12 \mathrm{MeV}


Option: 3

10.24 \mathrm{MeV}


Option: 4

23.4 \mathrm{MeV}


Answers (1)

\begin{aligned} &\mathrm{2\left(2 \mathrm{Hc}^4\right)=80^{16}}\\ &\mathrm{\text{Mass defect, }\Delta m=\{4(4.0026)-15.9994\}}\\ &\mathrm{=0.011 \text { amu }}\\ &\therefore\text{ Energy released per oxygen nuclei}\\ &\mathrm{ =(0.014)(931.48) \mathrm{MeV} }\\ &\mathrm{ =10.24 \mathrm{MeV} \text { Ans. }}\\ \end{aligned}

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Sumit Saini

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