Questions
A radio isotope has a half-life of 75 years. The fraction of the atoms of this material that would decay in 150 years will be
detailed solution
Correct option is D
Number of half-lives in two years n=15075=2Fraction of the atom of the decayed 1-12n=1-122=34=0.75⇒Percentage decay =75%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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