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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`

A

`(1)/(lamda)and log_(e)2`

B

`(log_(e)2)/(lamda)and (1)/(lamda)`

C

`2log_(e)2and(1)/(lamda)`

D

`(1)/(lamda)and(1)/(lamda)`

Text Solution

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The correct Answer is:
B
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