﻿ A sample contains 10–2 kg each of the two substances A and B with half-lives 4 seconds and 8 seconds respectively. Their atomic weights are in the ratio of 1 : 2. Find the amounts of A and B after an interval of 16 seconds. : Kaysons Education

# A Sample Contains 10–2 kg Each Of The Two Substances A and B with Half-lives 4 Seconds And 8 Seconds Respectively. Their Atomic Weights Are In The Ratio Of 1 : 2. Find The Amounts Of A and B after An Interval Of 16 Seconds.

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If N0 be the initial quantity of a radioactive substance, then the quantity Nleft after n half-lives is given by

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