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No. of uranium 235 nuclei required to un...

No. of uranium `235` nuclei required to undergo fission to give `9xx10^(13)` joule of energy is

A

`2.8125 x 10 ^(24)`

B

`28. 125 x 10 ^(24)`

C

`281. 25 x 10 ^(24)`

D

`28215 x 10 ^(24)`

Text Solution

Verified by Experts

The correct Answer is:
A
`200 MeV to 1` fission
`9 xx 10 ^(13) J to ` ?
Number of fissions `= ( 9xx 10 ^(13))/( 200 xx 10 ^(6) xx 1.6 xx 10 ^(-19))`
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NARAYNA-NUCLEI -EXERCISE-1 (C.W)
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  2. The mass number of a nucleus is 216. The size of an atom or redius.

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  3. Energy released as mass of 2 "amu" is converted into energy is

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  4. A 1 MeV positron encounters a 1 MeV electron travelling in opposite di...

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  5. The binding energies of the nuclei A and B are E(alpha)and E(alpha) re...

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  6. The binding energies per nucleon for deutrium and helium are 1.1 MeV a...

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  7. 1 kg of iron (specific heat 120 Cal Kg^(-1) C^(-1)) is heated by 1000^...

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  8. In nuclear fission , 0.1% mass in converted into energy. The energy re...

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  9. After the emission of one alpha- particle followed by two beta-particl...

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

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  11. How may alpha- and beta- particles will be emitted when .(90)Th^(232) ...

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  12. The decay constant of a radio active element, which disintergrates to ...

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  13. Half life period of radium is 1600 years. 2 gm of radium undergoes dec...

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  14. After a certain lapse of time, fraction of radioactive polonium undeca...

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  15. Two radioactive substances X and Y initially contain an equal number o...

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  16. 1g of a radioactive substance disintegrates at the rate of 3.7xx10^(10...

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  17. No. of uranium 235 nuclei required to undergo fission to give 9xx10^(1...

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  18. The energy supplied by a power plant is 40 million kilowatt hour. It i...

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  19. The amount of energy released in the fusion of two .(1)H^(2) to form a...

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  20. The miniumum amount of energy released in annihilation of electron-Pos...

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