If the number of uranium nuclei required per hour to produce a power of $64 \text{ kW}$ is $7.2 \times 10^{18}$, then the energy released per fission is
- A$0.64 \times 10^{-10} \text{ J}$
- B$3.2 \times 10^{-13} \text{ J}$
- C$0.32 \times 10^{-10} \text{ J}$
- D$3.2 \times 10^{-10} \text{ J}$
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| $A$. Nuclear fusion | $P$. Absorption of thermal neutrons by ${}_{92}^{235}U$ |
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| $T$. Neutrino emission |
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