The Sun's energy source is nuclear fusion occurring in its core. The proton-proton chain reaction is the dominant fusion process in stars like the Sun, where hydrogen isotopes fuse to form helium. The conversion of hydrogen into oxygen (A) or carbon into hydrogen (B) does not occur in the Sun's energy production. The conversion of helium into hydrogen (D) is the reverse of the process and does not release energy in the Sun.
In the process of production of energy in Sun, it is :-
Asked in Assistant Engineer (AE) Exam 2013 · Topic: Nuclear Physics (Nuclear fusion: stellar energy processes, controlled thermonuclear fusion.)
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