‌‌ Energy per fission ‌=200MeV ‌‌‌=200×1.6×10−13‌ Joule ‌ ‌E=3.2×1011J Power of reactor P=1MW So, Number of fissions in time t N=‌
Pt
E
So, number of fissions per second ‌
N
t
‌=‌
P
E
=‌
106
3.2×1011
‌≃3.125×1016 Rate of fission =3.125×106 per second