The loss of mass in a nuclear reaction is 0.45%. How much energy is released in the fusion of 2 Kg mass?
Given mass lost in fusion reactionΔm = 0.45%
Loss in mass due to fusion of 2 Kg mass
m′=0.45×2100 =0.009 Kg
Energy released E= (Δm)c2
=0.45×(3×108)2= 4.05×1014joule