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It is estimated that the energy released...

It is estimated that the energy released in the explosion of atomic bomb at Hiroshima was `9 xx 10^13`J. If an average 200MeV of energy is released in the fission of one , `._92U^235`. The mass of uranium used for the bomb is nearly

A

1.1 kg

B

2.5 kg

C

3.6 kg

D

4 kg

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A
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An explosion of atomic bomb releases an energy of 7.6xx10^(13)J . If 200 MeV energy is released of fission of one .^(235)U atom calculate (i) the number of uranium atoms undergoing fission, (ii) the mass of uranium used in the bomb.

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