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Fast neutrons can easily be slowed down ...

Fast neutrons can easily be slowed down by

A

Passing them through water

B

Applying a strong electric field

C

The use of lead shielding

D

Elastic collisions with heavy nude

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The correct Answer is:
A
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AAKASH INSTITUTE-NUCLEI-Assignment Section A Objective (One option is correct )
  1. Fusion reaction takes place at high temperature because

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  2. In a fission process, nucleus A divides into two nuclei B and C, their...

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  3. Fast neutrons can easily be slowed down by

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  4. A reactor is generating 1000 kW of power and 200 MeV of energy may be ...

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  5. In the nuclear reaction .92 U^238 rarr .z Th^A + .2He^4, the values of...

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  6. The number of neutrons released when .92 U^235 undergoes fission by ab...

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  7. Neutrino is a particle, which is

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  8. The binding energy of nucleus is a measure of its.

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  9. Heavy water is

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  10. 1 atomic mass unit is equal to

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  11. A nucleus of .84^210 Po originally at rest emits alpha particle with s...

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  12. The curve of blinding energy per nucleon as a function of atomic mass ...

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  13. The atoms of same element having same chemical properties but differen...

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  14. Which of the following is most unstable

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  15. In any fission the ratio ("mass of fission produts")/("mass of paren...

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  16. In a radioactive substance at t = 0, the number of atoms is 8 xx 10^4....

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  17. Some radioactive nucleus may emit.

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  18. The percentage of quantity of a radioactive material that remains afte...

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  19. Beta rays emitted by a radicactive material are

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  20. Alpha rays emitted from a radioactive substance are

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