A radioactive sample has mass m, decay constant lemda, and molecular weight M. If the Avogadro number is NA, then A radioactive sample has mass m and molecular weight M. If the Avogadro number is NA decay constant lemda then October 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related