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At some instant, a radioactive sample S(...

At some instant, a radioactive sample `S_(1)` having an activity 5 `muCi` has twice the number of nuclei as another sample `S_(2)` which has an activity of 10 `muCi`. The half lives of `S_(1) and S_(2)` are :

A

0.25

B

0.75

C

4

D

2

Text Solution

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The correct Answer is:
C
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