A radioactive isotope `Cs^(137)` has a half life period of 30 years. Starting with `1 mg` of  `Cs^
Channel: Doubtnut
Date: 12/07/2020

A radioactive isotope `Cs^(137)` has a half life period of 30 years. Starting with `1 mg` of  `Cs^(137)` how much would remain after 120 years?