Questions
Half life of a radio active element is 1200 yrs. It m0 gm of radio active element existing now, m0/4 gm will remain radio active after
detailed solution
Correct option is C
NN0=1(2)t/T⇒m0/4m0=1(2)t/T⇒1(2)2=1(2)t/T⇒t/T=2⇒t=2×1200 years = 2400 yearsTalk 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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