20 Two radioactive materials X and X2 have decay constants 5

Last updated: 6/12/2023

20 Two radioactive materials X and X2 have decay constants 5 and 2 respectively If initially they have the same number of nuclei then the ratio of the number of nuclei of X to that of X will be 1 e after a time a e a b C 1 2 2 d 1 42