Questions
In a sample of a radioactive substance what fraction of the initial number of nuclei will remain undecayed after time T , where T = half-life of radioactive substance
detailed solution
Correct option is A
We have, N=N012nWhere n is no. of half lives i.e.,12Hence N=N02 or NN0=12Talk to our academic expert!
Similar Questions
The mean lives of a radioactive sample are 30 years and 60 years for -emission and - emission respectively. If the sample decays both by -emission and -emission
simultaneously, the time after which, only one-fourth of the sample remain is
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