Questions
In a radioactive sample, what fraction of the initial number of radio active nuclei will be decayed after a time , where T=half life of radio active substance?
detailed solution
Correct option is D
NN0=1(2)t/T=1(2)T/2T=12Fraction of sample decayed=No−NNo = 1−NNo = 1−12 = 2 −12Talk 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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