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The 4n series starts from thorium-232 an...

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

A

Lead-208

B

Bismuth-209

C

Lead-206

D

Lead-207.

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The correct Answer is:
A
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MODERN PUBLICATION-NUCLEAR CHEMISTRY-Multiple Choice Questions
  1. Which of the following process results in emission of X-rays ?

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  2. Explain the principle behind the Hydrogen bomb.

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

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

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

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

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

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

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  9. Which of the following represents fusion reaction ?

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

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

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

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

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  14. A positron has a charge equal to that of

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

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

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  17. In a breeder reactor, which of the following is converted to fissionab...

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  18. Which of the following is a thermonuclear reation ?

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  19. The mass of 1 curie of U-234 is :

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  20. In a given reaction ZX^A rightarrow (Z+1)Y^A rightarrow(Z-1)K^(A-4) ri...

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