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Unstable substance exhibity higher radio...

Unstable substance exhibity higher radioactivity due to

A

low P/N ratio

B

high P/N ratio

C

P/N =1

D

Both (A) and (B)

Text Solution

Verified by Experts

The correct Answer is:
D
Higher the N/P ratio or lower the P/N ratio, more unstable is the nucleus and therefore it is radioactive
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DINESH PUBLICATION-NUCLEAR AND RADIO CHEMISTRY-Revision Questions from Competitive Exams
  1. The proper rays for radio carbon dating are

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  2. The nuclear reaction ""(29)^(63)Cu +""(2)^(4)He rarr ""(17)^(37)Cl +...

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  3. Unstable substance exhibity higher radioactivity due to

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  4. The reactor used to convert stable form to fissile form is

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  5. Which of the following are easily stopped by air ?

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  6. beta- particle in radioactivity is emitted by:

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  7. The phenomenon of radioactivity is associated with a)Decay of nucleus...

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  8. The first artifical disintegration of an atomic nucleus was achieved b...

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  9. The radioisotope , tritium (""(1)^(3)H) has a half-life of 12.3 years....

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  10. The radioactive nuclide .(90)^(234) Th shows two successive beta- dec...

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  11. The half life of radioactive isotope is 3 hour. If the initial mass of...

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  12. How may alpha- and beta- particles will be emitted when .(90)Th^(232) ...

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  13. A overset(-2beta)to overset(-alpha)to C. Relation between A and C is

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  14. It t(1//2) of A is 1000 yrs, then 'A' left after t=2000 years

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  15. If N(0) =1 gm then after how many half lives N t will be 0.25 gm ?

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  16. ""(92)^(235)U+X to Ba +Kr +3 ""(1)^(0)n X is

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  17. Alpha particles are

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  18. Most radioactive is

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  19. Which of the following isotopes of uranium is most radioactive ?

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  20. In the nuclear reaction ""(13)Al^(27)+""(2)He^(4) to ""(14)X^(30)+"...

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