Questions
What should be the activity of a radio active sample of mass ‘m’ and decay constant , after time t ? (Take molecular mass of sample be M and Avogardro’s number be ).
detailed solution
Correct option is B
Let the initial number of nuclei be N0 .∴ N0=mNaMActivity A=A0e−λt= λNoe−λt=mNaλMe−λt.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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