20 min and 40 min. Initially
Half-lives of two radioactive substances A and B are, respectively, 20 min and 40 min. Initially, the samples of A and B have equal number of nuclei. After 80 min, the ratio of the remaining number
18
Oct
Half-lives of two radioactive substances A and B are, respectively, 20 min and 40 min. Initially, the samples of A and B have equal number of nuclei. After 80 min, the ratio of the remaining number 20 min and 40 min. Initially Half-lives of two radioactive substances A and B are respectively the ratio of [...]