1.

A nuclearpower reactor generates electric power of 100 MW. How many number of fissions occur per second if nuclear fuel used in the reactor is uranium ?

Answer»

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SOLUTION :Power of a reactor using URANIUM is
`P=(n/t)xx200xx10^6xx1.6xx10^(-19)` J
`100xx10^6 = (n/t)xx200xx1.6xx10^(-13)` (`because` P=100 MW)
`n/t=(100xx10^6)/(200xx1.6xx10^(-13))= 3.125xx10^18`/s.


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