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The decay constant of a radioactive subs...

The decay constant of a radioactive substance is `lambda`. Its half-life and mean life respectively, are

A

`T_(1//2)=(1)/(lambda)`:`T=(In2)/(lambda)`

B

`T_(1//2)=(In2)/(lambda)`:`T=(1)/(lambda)`

C

`T_(1//2)=lambdaIn2`:`T=(1)/(lambda)`

D

`T_(1//2)=(lambda)/(In2)`:`T=(In2)/(lambda)`

Text Solution

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The correct Answer is:
B
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