# NEET Physics Nuclei Questions Solved

Which one of the following nuclear reactions is a source of energy in the sun
(a) ${}_{4}{}^{9}\mathrm{Be}+{}_{2}{}^{4}\mathrm{He}\to {}_{6}{}^{12}\mathrm{C}+{}_{0}{}^{-1}\mathrm{n}$
(b) ${}_{2}{}^{3}\mathrm{He}+{}_{2}{}^{3}\mathrm{He}\to {}_{2}{}^{4}\mathrm{H}+{}_{1}{}^{1}\mathrm{H}+{}_{1}{}^{1}\mathrm{H}$
(c) ${}_{56}{}^{144}\mathrm{Ba}+{}_{56}{}^{92}\mathrm{Kr}\to {}_{92}{}^{235}\mathrm{U}+{}_{0}{}^{-1}\mathrm{n}$
(d) ${}_{26}{}^{56}\mathrm{Fe}+{}_{48}{}^{112}\mathrm{Ca}\to {}_{74}{}^{167}\mathrm{W}+{}_{0}{}^{-1}\mathrm{n}$

(b) Energy is released in the sun due to fusion.

Difficulty Level:

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