Radioactive substances emits gamma – rays , which are (a) positive charged particle (b) -ve charged particle (c) massive particle (d) packet of energy Radioactive substances emits gamma - rays which are (a) positive charged particle (b) -ve charged particle (c) massive particle (d) packet of energy February 14, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related