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Half life of radium is 1580 years. It re...

Half life of radium is 1580 years. It remains 1/16 after the…..

A

1580 years

B

3160 years

C

4740 years

D

6320 years

Text Solution

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The correct Answer is:
d
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OP TANDON-RADIOACTIVITY AND NUCLEAR TRANSFORMATION -OBJ - A
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  12. Which of the following transformation is not correct?

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  13. The reaction .(92)U^(235) + .(0)n^(1) rarr .(56)Ba^(140) + .(36)Kr^(93...

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  14. .(6)C^(14) in upper atmosphere is generated by the nuclear reaction

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  18. Which of the following is not a fissionalbe material?

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  19. The fuel in atomic pile is :

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  20. The energy released in an atom bomb explosion is mainly due to

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