Questions
What percentage of original radioactive atoms is left after five half-lives?
a
0.3 %
b
1 %
c
31 %
d
3.125 %
detailed solution
Correct option is D
Fraction of atoms remains after five half lives NN0=12t/T=125T/T=132Percentage atom remains =132x100=3.125 %Talk 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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