When 92U235 undergoes fission. 0.1% of its original mass is changed into energy.

Question

When

_{92} U^{235}

undergoes fission. 0.1% of its original mass is changed into energy. How much energy is released if 1 kg of

_{92} U^{235}

undergoes fission

Options:

A . 9×1010J

B . 9×1011J

C . 9×1012J

D . 9×1013J

Answer: Option D
:
D
By using

E = Δ m . c^{2} \Rightarrow E = (\frac{0.1}{100} \times 1) (3 \times 10^{8})^{2} = 9 \times 10^{13} J

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