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Splitting up of a heavier nucleus into t...

Splitting up of a heavier nucleus into two smaller nuclei is called nuclear fusion.

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Splitting up of a heavier nucleus into smaller nuclei is called nuclear fission.
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SURA PUBLICATION-NUCLEAR PHYSICS-ADDITIONAL QUESTIONS & ANSWER (STATE WHETHER THE FOLLOWING STATEMENTS ARE TRUE OR FALSE : IF FALSE CORRECT THE STATEMENT)
  1. Henry Becequerel discovered uranium.

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  2. Elements whose atomic number is less than 83 are undergo spotaneous ra...

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  3. Irene Curie & Joliot discovered, natural radioactivity.

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  4. Artificial radioactivity is called natural radioactivity.

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  5. The SI unit of radioactivity is Curie.

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  6. The radiation exposure of gamma-ray is measured by Rutherford.

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  7. Ionising power of a alpha-ray is 10,000 times greater than beta- rays.

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  8. Gamma rays are deflected by both electronic and magnetic fields.

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  9. Beta rays travels with the speed of light.

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  10. In alpha-decay atomic number of daughter nucleus is increased by one.

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  11. Splitting up of a heavier nucleus into two smaller nuclei is called nu...

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  12. A radioactive elements is converted into fissionable material are call...

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  13. Controlled chain reaction is used in atom bomb.

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  14. Two lighter nuclei combined to form heavier nuclei is nuclear fission.

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  15. Nuclear fission is a thermonuclear reaction.

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  16. To detect the explosives in the luggage Am^(241) is used.

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  17. Safe limit of exposure to radiation is 20 milli slevert per month.

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  18. When body is exposed to 600 R, it causes total disease.

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  19. The function of control rods is to absorb the part of the K.E. of the ...

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  20. The nuclear energy is measured in Curie.

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