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Question: The energy released per fission of uranium-235 is about 200 MeV. A reactor using U-235 as fuel is pr...

The energy released per fission of uranium-235 is about 200 MeV. A reactor using U-235 as fuel is producing 1000 kilowatts power. The number of U-235 nuclei undergoing fission per second is, approximately-

A

106

B

2 × 108

C

3 × 1016

D

931

Answer

3 × 1016

Explanation

Solution

1 kW ≡ 3.1 × 1013 fission/sec

1000kW ≡ 3.1 × 1013 × 103 fission/sec

≡ 3.1 × 1016