Suppose we consider a large number of containing each containing initially 10000 atoms of a radioactive material with a half life of 1 year. After 1 year. Suppose we consider a large number of containing each containing initially 10000 atoms of a radioactive material with a half life of 1 year. After 1 year. June 9, 2021 Category: Chapter 13 - Nuclei , NCERT Exemplar Class 12 , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related