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The first positron emitter discovered wa...

The first positron emitter discovered was :

A

`""_(15)^(30)P`

B

`""_(14)^(30)Si`

C

`""_(7)^(15)N`

D

`""_(11)^(24)Na`

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The correct Answer is:
A
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MODERN PUBLICATION-NUCLEAR CHEMISTRY-Multiple Choice Questions
  1. The equipment used to carry out the fission reaction in a controlled m...

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  2. The radioactive isotope of carbon used in radio carbon dating is :

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  3. The first positron emitter discovered was :

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  4. The half life periods of four isotopes are given : I = 6.7 years II ...

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  5. Which of the following process results in emission of X-rays ?

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  6. Explain the principle behind the Hydrogen bomb.

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  7. The 4n series starts from thorium-232 and ends at :

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  8. In the reaction : ""(84)^(215)Poto""(82)^(211)Pb+""(2)^(4)He If Pb...

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  9. One microgram of radioactive sodium, ""(11)^(24)Na with half life of 1...

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  10. The partlcles emitted 1n the decay of ""(92)^(238)U to ""(92)^(234)U

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  11. In the reaction : ""(4)^(9)Be+Xto""(5)^(10)B+gamma X is:

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  12. If in the reaction of fluorine-19 with a neutron nitrogen-16 is formed...

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  13. Which of the following represents fusion reaction ?

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  14. In the reaction, the bombarding projectile X is : ""(3)^(7)Li+Xto""(...

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  15. When the quantity of a radioactive substance is ncreased to two times,...

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  16. The amount of substance which gives 3.7xx10^(7) dps is :

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  17. In the decay series : Aoverset(-alpha)toBoverset(-beta)toCoverset(-b...

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  18. A positron has a charge equal to that of

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  19. The device used for the measurement of radioactivity is :

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  20. Which of the following is not a transuranic element?

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