If 1 g of Hydrogen is converted into 0.993 g of Helium in a thermonuclear reaction, then the energy released is
83×107 J
63×1010 J
73×1014 J
23×1020 J
Δm=1−0.993=0.007 gm ∴ E=Δmc2=0.007×10−3×(3×108)2=63×1010J