At equilibrium, number of atoms disintegrating at two different stages are in the ratio of 1 : 10 . If half-Iife of first stage is 15 min, half-Iife second stage would be

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An Intiative by Sri Chaitanya

150 min

15 min

1.5 min

30 min

answer is A.

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Detailed Solution

N1t2=N2t1 t2=N2N1t1=101×15=150min

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