28 In a radioactive substance at t 0 the number of atoms is

Last updated: 6/8/2023

28 In a radioactive substance at t 0 the number of atoms is 8 x 10 Its half life period is 3 years The number of atoms 1 x 10 will remain after interval a 10 year b 9 year c 20 year 29 The half life peri d 3 year