Obtain the amount of 60 27 Co necessary to provide a radioactive source of 8.0 mCi strength. The half-life 60 27Co of is 5.3 years. Obtain the amount of 60 27 Co necessary to provide a radioactive source of 8.0 mCi strength. The half-life 60 27Co of is 5.3 years. June 7, 2021 Category: Chapter 13 - Nuclei , MTG NEET Physics , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related