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The decay constant of a radiaoactive sam...

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

A

`(1)/(lambda),(ln2)/(lambda)`

B

`(ln2)/(lambda),(1)/(lambda)`

C

`lambdaln2,(1)/(lambda)`

D

`(ln2)/(lambda),(2)/(lambda)`

Text Solution

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The correct Answer is:
B
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