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Why tritium and plutonium are not found ...

Why tritium and plutonium are not found in observable quantities in nature?

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Because their half-life period is very small.
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MODERN PUBLICATION-NUCLEI-REVISION EXERCISES (VERY SHORT ANSWER QUESTIONS)
  1. What is the value of binding energy per nucleon in case of ""(92)U^(23...

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  2. Who discovered radioactivity?

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  3. Why tritium and plutonium are not found in observable quantities in na...

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  4. Amongst alpha,beta and gamma-particles, alpha-particle has maximum pen...

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  5. What do you mean by half-life of a radioactive substance ?

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  6. Write the relation between Half-Life and Mean-Life of radio active ele...

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  7. Define the activity of a radionuclide. Write its SI unit. Give a plot ...

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  8. 1 Decay per second are equivalent to what unit of radioactivity?

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  9. By which process does a cobalt nucleus change into a nickel nucleus?

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  10. एक रेडियोसक्रिय पदार्थ की सक्रियता 1 रदरफोर्ड हैं पदार्थ में प्रति सेक...

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  11. Calculate the energy equivalent of 1 a.m.u. in MeV

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  12. Write the relation between volume and the mass number of an atomic nuc...

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  13. What are isotopes? Give one example.

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  14. What are isobars? Give examples.

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  15. What are isotones? Give examples.

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  16. In both beta^(-1) and beta^(+) decay processes, the mass number of a ...

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  17. Why is it found experimentally difficult to detect neutrinos in nuclea...

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  18. Explain alpha- decay ?

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  19. Why alpha particles have high ionising power than beta rays?

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

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