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Positron has mass equal to...

Positron has mass equal to

A

electron

B

`alpha`-particle

C

protons

D

deutron

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The correct Answer is:
A
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DINESH PUBLICATION-NUCLEAR AND RADIO CHEMISTRY-Revision Questions from Competitive Exams
  1. Half life of radioactive element is 100 yrs. The time in which it disi...

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  2. Energy released in the nuclear fusion reaction is : ""(1)^(2)H + ""(1...

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  3. Positron has mass equal to

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  4. Which of the following is (n,) type rection ?

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  5. Half life of a radioactive substance is 60 min. After 3 hours, the fra...

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  6. In radioactive transformation ""(92)U^(235) to ""(82)Pb^(206) , the nu...

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  7. Which of the following statements is false ?

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  8. The composition of tritium is

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  9. Isotopes of elements were discovered by

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  10. The number of electrons in the nucleus of C^(12) is

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  11. In the reaction ltBrgt ""(7)N^(14) + ""(2)He^(4) to ""(a)X^(b) +""(1)H...

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  12. The radioactive decay of ""(35)X^(88) by a beta-emission produces an u...

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  13. After emission of one alpha particle followed by one beta-particle fro...

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  14. Heavy water is used as moderator in a nuclear reactor. The function of...

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  15. By removing , one beta-particle from a radio active nucleus, the atomi...

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  16. Which of the following is used as control rod ?

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  17. Which is used as moderator in nuclear reactor?

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  18. 1.0 g of a radioactive isotope left 125 mg after 24 hr. The half-life ...

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  19. A radioactive substance has a half life of 60 minutes. After 3 hours, ...

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  20. Which does not take place by alpha disintegration ?

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