A radioactive substance A decays 20 in 12 minutes The

Last updated: 7/4/2023

A radioactive substance A decays 20 in 12 minutes The kinetics of radioactive disintegration of the same substance A is observed using 1 gm of it Choose the correct conclusions drawn from the observations made Use log2 0 3 log 5 0 7 In2 0 69 Inx 2 3 logx Half life of the radioactive substance A 36 minutes The time required for its 60 decay 48 minutes Mass of radioactive substance A left after 180 minutes 31 25 mg Decay constant of the radioactive substance A 3 85 10 2 min