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What are thermal neutrons ? Why are neut...

What are thermal neutrons ? Why are neutrons considered as ideal particles for nuclear fission ?

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CHHAYA PUBLICATION-ATOMIC NUCLEUS-EXERCISE
  1. Write down the decay scheme of a free neutron

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  2. .1H^1 + .1H^1 + .1H^1 + .1H^1 to .2He^4 + 2 .

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  3. What are thermal neutrons ? Why are neutrons considered as ideal parti...

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  4. What are the basic differences between natural and artificial radioac...

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  5. .1H^2 + .1H^2 to .2He^4+Q. In this reaction the masses of deuterium an...

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  6. What are the similarities and dissimilarities of the nuclei of two iso...

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  7. An artificial radioisotope .15P^31 can be prepared by disintegrating ....

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  8. From the nucleus of a Polonium atom .84Po^218, an alpha-particle and t...

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  9. In a radioactive disintegration a nucleus emits an alpha-particle firs...

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  10. Mass of a proton or a neutron is approximately 939 MeV, but unified at...

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  11. Half-life of radium is 1622 years'- what do you mean by this statement...

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  12. Positively charged protons and neutral neutrons are packed inside the ...

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  13. Complete the nuclear reaction and explain the result thus obtained : ....

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  14. Explain why nuclear fission should precede nuclear fusion ?

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  15. Nuclear force is charge independent -what do you mean by this statemen...

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  16. Atomic nuclei do not contain any electrons, yet electrons come out of ...

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  17. Nuclear fission, as a source of energy, can be used for the benefit of...

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  18. I unified atomic mass unit is equivalent to 931.2 MeV of energy. What ...

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  19. What is the basic difference in the use of 'radio-carbon clock' and 'u...

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  20. Complete the following equations : .88Ra^226 to .86Rn^222 +

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