試題詳解

57. The net nuclear fusion reaction inside the Sun can be written as 4¹H → 4He + E. The rest energy of each hydrogen atom is 938.8 MeV, and the rest energy of the helium-4 atom is 3728.4 MeV. Calculate the percentage of the starting mass that is transformed to other forms of energy.
(A) 0.11 %
(B) 0.31 %
(C) 0.51 %
(D) 0.71 %
(E) 0.91 %