A radioactive substance having a half life period of 5 days was receiv – InterviewSolution

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1.	A radioactive substance having a half life period of 5 days was received after 20 days. It was found that there was 3 g of the isotope in the container. The initial weight of the isotope when placed was:
Answer» 12 g 24 g 36 g 48 g Answer :D

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