Questions
The rate of radioactive disintegration at an instant for a radioactive sample of half life The number of radioactive atoms in that sample at that instant is,
detailed solution
Correct option is A
T1/2=ln2λ=0.693λ 2.2×109=0.693λ λ=0.6932.2×109=3.15×10-10 R=λN (R is activity) N=Rλ=10103.15×10-10=3.17×1019Talk 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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