1.

The decay constant of a radioactive sample is `lambda`. The half-life and mean life of the sample respectively areA. `(1)/(lambda), ("In" 2)/(lambda)`B. `("In" 2)/(lambda), (1)/(lambda)`C. `lambda "In" 2, (1)/(lambda)`D. `(lambda)/("In" 2), (1)/(lambda)`

Answer» Correct Answer - b
`t_(1//2) = (log_(e)2)/(lambda)` and average life `= (1)/(lambda)`


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