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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 respectively are

A

`(1)/(lambda), ("In" 2)/(lambda)`

B

`("In" 2)/(lambda), (1)/(lambda)`

C

`lambda "In" 2, (1)/(lambda)`

D

`(lambda)/("In" 2), (1)/(lambda)`

Text Solution

Verified by Experts

The correct Answer is:
b
`t_(1//2) = (log_(e)2)/(lambda)` and average life `= (1)/(lambda)`
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