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What is nuclear fission ? Given an examp...

What is nuclear fission ? Given an example to illustrate it.

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Nuclear fission is a process in which a heavy nucleus breaks in to two middle weight nuclei. Product nuclei thus formed are called fission fragments. The fission of uranium by neutrons is as shown below:
`""_(0)n^(1) + ""_(92)U^(235) to ""_(92)U^(236) to ""_(56)Ba^(144) +""_(36)Kr^(89) + 3 ""_(0)n^(1)`
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MODERN PUBLICATION-NUCLEI-REVISION EXERCISES (VERY SHORT ANSWER QUESTIONS)
  1. Why alpha particles have high ionising power than beta rays?

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  2. How do the mass number and atomic number change in alpha -decay? A nuc...

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  3. What percentage of a radioactive substance will left undecayed after f...

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  4. A radioactive nucleus decays by emitting one alpha and two beta partic...

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  5. Why control rods are made up of cadmium?

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  6. Why nuclear fusion is very difficult to carry out?

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  7. Why nuclear fusion is also known as thermonuclear reaction?

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  8. Write the relation between average life and decay constant of a radioa...

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  9. When a beta^(-) particle is emitted from a nucleus, the neutrons-proto...

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  10. The curve representing the energy spectrum of beta -particles is

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  11. beta^(+) तथा beta^(-) क्षय क्रिया समझाइए |

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  12. What is nuclear fission ? Given an example to illustrate it.

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  13. What do you mean by nuclear fusion ?

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  14. नाभिकीय श्रृंखला अभिक्रिया में न्यूट्रॉन गुणन कारक से क्या तात्पर्य है...

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  15. What is meant by chain reaction ?

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  16. What happens when neutron reproduction factor is greater than one?

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  17. What is the role o f coolant in nuclear reactors?

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  18. What do you mean by nuclear holocaust?

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  19. In proton-proton cycle, what is the approximate energy released?

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  20. Four nuclei of an elements undergo fusion to form a heavier nucles, w...

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