At any instant the ratio of the amount of radioactive substances is 2 : 1. if their half – lives be respectively 12 and 16 hours, then after two days, what will be the ratio of the substances? At any instant the ratio of the amount of radioactive substances is 2 : 1. if their half - lives be respectively 12 and 16 hours then after two days what will be the ratio of the substances? September 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related