Questions
During mean life of a radioactive element, the fraction that disintegrates is
a
e
b
1e
c
e-1e
d
ee-1
detailed solution
Correct option is C
By using N=N0e-λt and average life time t=1λ,N=N0e-λ x 1/λ=N0e-1⇒NN0=e-1=1eNow disintegrated fraction =1-NN0=1-1e=e-1eTalk to our academic expert!
Similar Questions
The half life period of a radioactive element X is same as the mean life time of another radioactive element Y. Initially both of them have the same number of atoms. Then
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