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What is the role of controlling rods in ...

What is the role of controlling rods in a nuclear reactor ?

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In nuclear reactor controlling rods are used to absorb the neutrons. Cadmium, boron materials are used in the form of rods in reactor. These control the fission rate.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-NUCLEI-VERY SHORT ANSWER QUESTIONS
  1. What are isotopes and isobars ?

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  2. What are isotopes and isomers ?

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  3. What is a.m.u. ? What is its equivalent energy ?

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  4. What will be the ratio of the radii of two nuclei of mass numbers A(1)...

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  5. Natural radioactive nuclei are mostly nuclei of high mass number why ?

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  6. Does the ratio of neutrons to protons in a nucleus increase, decrease ...

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  7. A nucleus contains no electrons but can emit them. How ?

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  8. What are the units and dimension of the disintegration contant ?

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  9. Why do all electrons emitted during beta - decay not have the same ene...

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  10. Neutrons are the best projectiles to produce nuclear reactions. Why ?

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  11. Neutrons cannot produce ionization. Why ?

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  12. What are delayed neutrons ?

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  13. What are thermal neutrons ? What is their importance ?

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  14. What is the value of neutron multiplication factor in a controlled rea...

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  15. What is the role of controlling rods in a nuclear reactor ?

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  16. Why are nuclear fusion reactions called thermo nuclear reactions ?

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  17. Define Becquerel and Curie.

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  18. Explain the terms 'chain reaction' and 'multiplication factor'. How is...

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  19. What is the function of moderator in a nuclear reactor ?

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  20. What is the energy released in the fusion of four protons to form a he...

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