Half-lives of two radioactive substances A and B are respectively 20 minutes and 40 minutes. Initially

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Half-lives of two radioactive substances A and B are respectively 20 minutes and 40 minutes. Initially, he sample of A and B have equal number of nuclei. After 80 minutes the ratio of the remaining number of A and B nuclei is :
14
Sep
Half-lives of two radioactive substances A and B are respectively 20 minutes and 40 minutes. Initially, he sample of A and B have equal number of nuclei. After 80 minutes the ratio of the remaining number of A and B nuclei is : Half-lives of two radioactive substances A and B are respectively 20 minutes [...]
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Tags: Half-lives of two radioactive substances A and B are respectively 20 minutes and 40 minutes. Initially , he sample of A and B have equal number of nuclei. After 80 minutes the ratio of the remaining number of A and B nuclei is : ,
Half-lives of two radioactive substances A and B are respectively 20 minutes and 40 minutes. Initially, he sample of A and B have equal number of nuclei. After 80 minutes the ratio of the remaining number of A and B nuclei is :
16
Aug
Half-lives of two radioactive substances A and B are respectively 20 minutes and 40 minutes. Initially, he sample of A and B have equal number of nuclei. After 80 minutes the ratio of the remaining number of A and B nuclei is : Half-lives of two radioactive substances A and B are respectively 20 minutes [...]
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Tags: Half-lives of two radioactive substances A and B are respectively 20 minutes and 40 minutes. Initially , he sample of A and B have equal number of nuclei. After 80 minutes the ratio of the remaining number of A and B nuclei is : ,