The rate of radioactive disintegration at an instant for a radioactive sample of half life 2.2 x 10^9 s is 10^10 s-1. The number of radioactive atoms in that sample at that instant is The rate of radioactive disintegration at an instant for a radioactive sample of half life 2.2 x 10^9 s is 10^10 s-1. The number of radioactive atoms in that sample at that instant is August 22, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related