Modern Physics 5 Question 31
34. In a nuclear reactor undergoes fission liberating of energy. The reactor has a efficiency and produces power. If the reactor is to function for , find the total mass of uranium required.
(2001, 5M)
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Solution:
- The reactor produces
power or . The reactor is to function for . Therefore, total energy which the reactor will supply in is
But since the efficiency of the reactor is only
or number of kg-moles of uranium needed are
Hence, total mass of uranium required is