Half lives of two radioactive substances A and B are respectively 20 minutes and 40 minutes Initially, the samples of A and B have equal number of nuclei After 80 minutes the ratio of remaining numbers of A and B nuclei is (a) 1 16 (c) 1 4 (b) 4 1 (d) 1 1 Half lives of two radioactive substances A...

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

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Physics

ISBN: 978-0470879528

9th edition

Authors: John D. Cutnell, Kenneth W. Johnson

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

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