A and B are two radioactive substances whose 12 half lives

Last updated: 6/27/2023

A and B are two radioactive substances whose 12 half lives are 1 and 2 years respectively Initially 10 gm of A and 1 gm of B is taken The time approximate after which they will have same quantity remaining is A 6 62 years C 2 years B 1 year D 100 years