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An explosion of atomic bomb release an e...

An explosion of atomic bomb release an energy of `7.6 xx 10^13`J. If 200 Mev energy is released on fission of one `.^235U` atom calculate (i) the number of uranium atoms undergoing fission, (ii) the mass of uranium used in the bomb.

A

`4.375xx10^24`, 926.66 g

B

`2.375xx10^24` , 826.66 g

C

`3.375xx10^24` , 926.66 g

D

`2.375xx10^24` , 926.66 g

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The correct Answer is:
D
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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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AAKASH SERIES-NUCLEI-Exercise-II
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  2. Two radioactive materials X1 and X2 contain same number of nuclei. I...

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  3. In order to dcrease radioactive nuclei to one million of its initial n...

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  4. The half life of radium is 1600 years. The mean life of radium is

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  5. Activity of radioactive element decreased to one third of original act...

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  6. The half-life of a radioactive substance is 100 years, Calculate in ho...

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  7. The counting rate observed from a radioactive source at t=0 second was...

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  8. Two nuclei P, Q have equal no.of atoms at t= 0. Their half-life are 3 ...

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  9. A sample radio active subsistence has 10^6 radio active radio active n...

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  10. One mole of radium has an activity of 1/3.7 kilo curie. Its decay cons...

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  11. A radioactive nucleus undergoes a series of decays according to the se...

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  12. Tritium has a half life of 12.5Y undergoing beta decay. The fraction o...

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  13. A freshly prepared radioactive source of half life 2 hours emits radia...

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  14. If 10% of the radio active material decays in 5 days. The percentage o...

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  15. A certain radioactive substance has a half life of 5 years. Thus for a...

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  16. 200 Mev energy is released when one nucleus of .^235U undergoes fissio...

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  17. In each fission of U^235, 200 MeV of energy is released. If a reactor ...

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  18. In a nuclear fission 0.1% of mass is converted into energy. The energy...

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  19. Calculate the energy released by fission from 2 g of .92^235U in k Wh....

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  20. An explosion of atomic bomb release an energy of 7.6 xx 10^13J. If 200...

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