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Q.

200 MeV of energy is released when a 92U235 nucleus undergoes fission. A nuclear reactor of power 192 MW uses Uranium-235 as fuel. Assume that all the energy generated in the reactor arises from the fission of Uranium-235. The amount of uranium consumed per minute by the nuclear reactor is nearly 

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a

8.46 g

b

2.35 mg

c

7.8 mg

d

141 mg

answer is C.

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Detailed Solution

here each fission energy produced is 200 MeV

if m gm of uranium is taken

m235×200×1.6×10-13×6×1023=192×106×60

solving for m=141 mg

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