The mean life time of a radionuclide, if its activity decreases by 4% for every 1 h, would be (product is non-radioactive, i.e., stable) i.e if its activity decreases by 4% for every 1 h stable) The mean life time of a radionuclide would be (product is non-radioactive October 17, 2020 Category: Uncategorised (JEE Advanced [...]