Two radioactive substances A and B whose half lives are 2

Last updated: 6/8/2023

Two radioactive substances A and B whose half lives are 2 years and 8 years respectively Initially 80 gm of A and 20 gm of B is taken The time after which they will have same quantity remaining is 1 6 years 1215 23 2 6 22 years 4 4 45 years