Class 12 NEET Physics Atoms and Nuclei Questions Part 2

Question : 52 of 79

Marks: +1, -0

A mixture consists of two radioactive materials A1 and A2 with half lives of 20 s and 10 s respectively. Initially, the mixture has 40 g of A1 and 160g of A2. The amount of the two in the mixture will become equal after