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Which is not emitted by radioactive subs...

Which is not emitted by radioactive substance ?

A

`alpha`-rays

B

`beta`-rays

C

positron

D

Proton

Text Solution

Verified by Experts

The correct Answer is:
D
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DINESH PUBLICATION-NUCLEAR AND RADIO CHEMISTRY-Revision Questions from Competitive Exams
  1. A radioactive element X emits 3alpha , one beta and one gamma-particle...

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  2. Which is correct statement ?

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  3. Which is not emitted by radioactive substance ?

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  4. Positron is -

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  5. U^(235) + n^(1)rarr fission product + neutron + 3.2xx 10^(-11)j. The e...

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  6. Which element is the end product of every natural radioactive series?

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  7. In radioactive decay, which one of the following moves the fastest ?

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  8. Which one of the following notations shows the product incorrectly ?

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  9. In terms of energy 1 a.m.u. is equal to

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  10. The end product of (4n+2) disintegration series is

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  11. If ""(90)Th^(238) disintegrates to ""(83)Bi^(212) , then the number al...

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  12. What is X in the nuclear reaction .(7)N^(14) + .(1)H^(1) rarr .(8)O^...

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  13. The radioactive isotope used to estimate the age of ancient geological...

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  14. The half life period of a radioctive element is 140 days. Afte 560 day...

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  15. Number of neutrons i8n a parent nucleus X, which gives .(7)^(14)N afte...

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  16. The activity of radionuclide (""^(100)X) is 6.023 curie. If the disint...

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  17. The symbol x in the following equation is ""(11)Na^(23)+""(1)H^(1) ...

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  18. The half - life of .(92)U^(238) against alpha - decay is 4.5 xx 10^(9)...

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  19. Sulphur 35(34,96903 amu) emits a beta- particles but no gamma-rays. Th...

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  20. In the following radioactive decay, ""(92)U^(238)rarr ""(89)Y^(220) , ...

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