Atoms and Nuclei


   
 
Numerical 11
11. If 200 MeV energy is released in the fission of a sample nucleus of 92U235, how many fissions must occur per second to produce a power of 1 kW?
 
Suggested solution:
 
 
= 200 Mev
 
 
= 200 x 1.6 x 10-13 J
 
= 3.2 x 10-11 J
 
1kW = 1000 W = 1000 Js-1
 
If x be the number of fissions per second required to generate a power of 1kW, then
 
 
 
     
   
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