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Let T be the mean life of a radioactive ...

Let `T` be the mean life of a radioactive sample. `75%` of the active nuclei present in th sample initially will deacy in time

A

2T

B

`(1)/(2) (log_(e) 2) T`

C

4T

D

`2 (log_(e) 2) T`

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The correct Answer is:
d
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