Half-lives of two radioactive elements A and B are 20 minutes and 40 minutes, respectively. Initially, the samples have equal number of nuclei. After 80 minutes, the ratio of decayed Half-lives of two radioactive elements A and B are 20 minutes and 40 minutes respectively. Initially the ratio of decayed the samples have equal number of nuclei. After 80 minutes October 20, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related