Answered: The half-life of radio-active isotopes…

The half-life of radio-active isotopes is 140 days. How many days would it take for the activity of the sample of this isotope to fall to one-forth of its initial decay rate?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter30: Nuclear Physics

Section30.1: The Nucleus

Problem 1PP

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The half-life of radio-active isotopes is 140 days. How many days would it take for the activity of the sample of this isotope to fall to one-forth of its initial decay rate?

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