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The decay constant of a radiaoacation sa...

The decay constant of a radiaoacation sample is `lambda` . The half life and mean life of the sample are respectively given by

A

`1// lambda and (in 2 )// lambda`

B

` (in 2 )// lambda`and 1// lambda `

C

` lambda (in 2 ) and 1// lambda `

D

` lambda //(in 2 ) and 1// lambda `

Text Solution

Verified by Experts

The correct Answer is:
B
`T_(1//2) = (ln 2 )/(lambda)` and Mean life `tau = (1)/(lambda) `
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