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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The activity of a radioactive element decreases to one-third of the original activity A0 in a period of 9 years. After a further lapse of 9 years, its activity will be

The activity of a radioactive element decreases to one-third of the original activity A0 in a period of 9 years. After a further lapse of 9 years, its activity will be

its activity will be The activity of a radioactive element decreases to one-third of the original activity A0 in a period of 9 years. After a further lapse of 9 years