Nuclear Physics and RadioactivityHard
Question
A radioactive element X disintegrates into a stable element Y with half life 2 year. A fresh sample of X is available at t = 0. At which instant, ratio of nuclei of X to nuclei of Y becomes 1 : 7 in the given sample :-
Options
A.t = 16 yr.
B.t = 6 yr.
C.t = 14 yr.
D.t = 2 yr.
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