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Which of the following is used as a mode...

Which of the following is used as a moderator in nuclear reactors ?

A

Cadmium

B

Plutonium

C

Uranium

D

Heavy water

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE-NUCLEI-ASSIGNMENT (SECTION-C)
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  2. The count rate of a Geiger Muller counter for the radiation of a radio...

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  3. Half-lives of two radioactive substances A and B are respectively 20 m...

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  4. The correct relation between t(av)=average life and t(1//2)= half life...

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  5. Nuclear fission can be explained by

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  6. Half life of a radioactive elemets is 12.5 hour and its quantity is 25...

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  7. Energy is released in nuclear fission. Total binding energy of the f...

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  8. A saample of radioactive elements contains 4xx10^(10) active nuclei. I...

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  9. A sample of radioactive element has a mass of 10 g at an instant t=0. ...

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  10. The half-life of radium is about 1600 yr. Of 100g of radium existing n...

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  11. .(90)Th^(232) to .(82)Pb^(208). The number of alpha and beta-"particle...

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  12. A radioactive substance has 10^8 nuclei. Its half life is 30 s . The n...

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  13. A certain stable nucleide, after absorbing a neutron, emits beta-parti...

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  14. Pauli suggested the emission of nutrino during beta^+ decay to explain

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  15. In a radioactive decay, a nucleus is transformed into another with the...

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  16. An unstable nuclide with N/P ratio more than that required for stabili...

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  17. The half life of I""^(131) is 8 day. Given a sample of I""^(131) at t=...

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  18. Which of the following is used as a moderator in nuclear reactors ?

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  19. Which of the following are suitable for the fusion process ?

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