JEE Main 20207 Jan, Evening shiftPhysicsEasyAtoms and Nuclei183× since 2002The activity of a radioactive sample falls from 700 s^–1 to 500 s^–1 in 30 minutes. Its half life is close to:AOption A. 62 minBOption B. 66 minCOption C. 72 minDOption D. 52 minCheckSkip · show solution
