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Two radioactive nuclides A and B have ha...

Two radioactive nuclides A and B have half-lives 50 min and 10 min respectively . A fresh sample contains the nuclides of B to be eight times that of A. How much time should elapse so that the mumber of nuclides of A becomes double of B ?

A

30

B

40

C

50

D

100

Text Solution

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The correct Answer is:
C
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