A radioactive nucleus can decay by two different processes. The mean value period for the first process is t1 and that for the second process is t2. The effective mean value period for A radioactive nucleus can decay by two different processes. The mean value period for the first process is t1 and that for the second process is t2. The effective mean value period for October 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related