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एक रेडियोसक्रिय पदार्थ की सक्रियता 1 रदर...

एक रेडियोसक्रिय पदार्थ की सक्रियता 1 रदरफोर्ड हैं पदार्थ में प्रति सेकण्ड विघटनों की संख्या है-

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The activity is 1 Rutherford when 106 decays take place per second.
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MODERN PUBLICATION-NUCLEI-REVISION EXERCISES (VERY SHORT ANSWER QUESTIONS)
  1. 1 Decay per second are equivalent to what unit of radioactivity?

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

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

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

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

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  6. What are isotopes? Give one example.

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  7. What are isobars? Give examples.

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  8. What are isotones? Give examples.

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

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

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  11. Explain alpha- decay ?

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

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

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

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

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  16. Why control rods are made up of cadmium?

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

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

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

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

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