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Which of the following materials is used...

Which of the following materials is used for controlling the fission

A

heavy water

B

graphite

C

cadmium

D

Berillium oxide

Text Solution

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The correct Answer is:
C
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RESONANCE-NUCLEAR PHYSICS-Exercise
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  2. An electron-positron pair (rest mass of each particle = 0.51 MeV) is p...

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  3. Which of the following materials is used for controlling the fission

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  4. The binding energies of two nuclei P^n and Q^(2n) and x and y joules. ...

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  5. In fission,the percentage of mass converted into energy is about

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  6. The critical mass of a fissionable material is

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  7. One requires energy En to remove a nucleon from a nucleus and an energ...

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  8. Amount of TNT equivalent of energy obtained from fission of 1gm U^235 ...

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  9. 10^14 fissions per second are taking place in a nuclear reactor having...

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  10. Slow neutron are sometimes refer to as thermal neutrons because

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  11. Which of the following is not correct about nuclear forces?

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  12. The graph between the binding energy per nucleon (E) and atomic mass n...

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  13. In most stable nuclei neutron number N and proton number Z has the rel...

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  14. The probability of a radioactive atoms to survive 5 times longer than ...

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  15. After emission of an alpha-particle by a radiative element .(84)X^(212...

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  16. The SI unit of activity is-

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  17. The specific activity of radius is nearly-

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  18. After a time equal to four half lives, the amount of radioactive mater...

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  19. The mean of life of a radioactive sample is 100 years. Then after 100 ...

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  20. The count rate of 10 g of radioactive material was measured at differe...

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