If the radioactive decay constant of radium is 1⋅07×10^−4 per year, then its half life period is approximately equal to If the radioactive decay constant of radium is 1⋅07×10^−4 per year then its half life period is approximately equal to November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry [...]