ComedkAtoms And NucleiCOMEDK 2025 Afternoon ShiftMCQ+1 / -02025To get 300 MW electric power for half an hour, how much mass is to be completely converted into energy?A $6 \times 10^{-2} \mathrm{~kg}$B $3 \times 10^{-6} \mathrm{~kg}$C $6 \times 10^{-3} \mathrm{~kg}$D $6 \times 10^{-6} \mathrm{~kg}$Check AnswerClear SelectionReveal AnswerShow Explanation