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The decay constant of a radioactive samp...

The decay constant of a radioactive sample is `'lambda'`. The half-life and mean life of the sample are respectively

A

`1/lamda,("in"2)/lamda`

B

`("in"2)/lamda,1/lamda`

C

`"in"2,1/lamda`

D

`lamda/("in"2),1/lamda`

Text Solution

Verified by Experts

The correct Answer is:
d

`t""_(1//2)=0.693/lamda``
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