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What do you mean by nuclear fusion ?...

What do you mean by nuclear fusion ?

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When two light nuclei are brought close to each other, attractive nuclear force may combine them to form the bigger nucleus and in this process energy is released. This process is called fusion.
`""_(1)H^(2) + ""_(1)H^(2) + ""_(1)H^(2) to ""_(2)He^(4) + ""_(0)n^(1) + ""_(1)H^(1) + 21.6` MeV (Energy)
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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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