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Questions  

200 Mev energy is released when one nucleus of 235U  undergoes fission.  Find the number of fissions per second required for producing a power of 1 mega watt.

a
3.125×1014
b
3.125×1015
c
3.125×1016
d
3.125×1013

detailed solution

Correct option is C

E=200Mev →200×1.6×10−13J→P=106w,   t=1s,     n=?P=nEt,   n=ptEn=106200×1.6×10−13=13.2×1017     =3.125×1016

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