The probaility that a certaun radioactive atom would get disintefrated in a time equal to the mean life fo the radioactive sample is
The probaility that a certaun radioactive atom would get disintefrated in a time equal to the mean life fo the radioactive sample is
A. `0.37`
B. `0.63`
C. `0.50`
D. `0.67`
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Correct Answer - B
Required probability `P(t) = (N_(0)(1-e^(-lambdat)))/(N_(0)) = 1-e^(-lambda((1)/(lambda)))= 0.63`
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