\(A\) and \(B\) are two substances undergoing radioactive decay in a container. The half life of....

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\(A\) and \(B\) are two substances undergoing radioactive decay in a container. The half life of \(A\) is \(\mathrm{15 min}\) and that of \(B\) is \(\mathrm{5 min}\). If the initial concentration of \(B\) is 4 times that of \(A\) and they both start decaying at the same time, how much time will it take for the concentration of both of them to be same?_________ \(\min\). 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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