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The ratio of activities of two ratio nic...

The ratio of activities of two ratio niculides X and Y in a mixture at time `t=0` was found to be `4:1` After two hours, the ratio activities become `1:1` . If the `t_(1//2)` of radio nuclide X is 20 min then `t_(1//2)` [in mintes] of ratio nuclide Y is ,

A

10

B

20

C

30

D

40

Text Solution

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The correct Answer is:
C
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