Half life of a radioactive substance is 20 minutes. The time between 20 percent and 80 percent decay will be Half life of a radioactive substance is 20 minutes. The time between 20 percent and 80 percent decay will be September 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
