Questions
A radioactive sample of decay to Pb through a process of which half life is years. The ratio of number of nuclei of Pb to after a time of
detailed solution
Correct option is B
Here NN0=12n=121/3where n = Number of half lives =13⇒NN0=11.26⇒NUNpb+NU=11.26 ⇒Npb=0.26NU⇒NpbNU=0.26Talk 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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