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For fast chain reaction, the size of U^(...

For fast chain reaction, the size of `U^(235)` block, as compared to its critical size, must be

A

greater

B

smaller

C

same

D

anything

Text Solution

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The correct Answer is:
A
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NARAYNA-NUCLEAR PHYSICS-C.U.Q
  1. Nuclear reactios obey the law of conservation of

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  2. The critical mass of a fissionable material is

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  3. For fast chain reaction, the size of U^(235) block, as compared to its...

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  4. The critical mass of a fissionable uranium -235 can be reduced by

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  5. Nuclear energy is released in fission since binding energy per nucleon...

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  6. In a critical chain reaction

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  7. Among the following one is wrong

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  8. When 1 gm of U^(235) is completely annihilated energy liberated is E(1...

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  9. In the process of fission, the binding energy per nucleon

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  10. Assertion (A) : Fragments produced in the fission of U^(235) are radio...

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  11. The product of the fission of U^(235) by thermal neutron are

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  12. Consider the following statements A and B. Identify for correct in the...

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  13. The process of fission is responsible for the release of energy in

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  14. The working principle in atom bomb is

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  15. Heavy water is

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  16. Nuclear reactor is surrounded by concrete walls to

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  17. The operation of a nuclear reactor is said to be critical, if the mult...

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  18. Cadmium and Broron rods are used in a nuclear reactor to

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  19. The coolant in the nuclear reactor is

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  20. Substance used to slow down the fast neutrons released during nuclear ...

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