Answered: Q41. A radioactive source has a…

Q41. A radioactive source has a half-life of 20 days. Calculate the activity of the source after 70 days have elapsed if its initial activity is 10" decays per second? 10

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter30: Nuclear Physics

Section: Chapter Questions

Problem 16P

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Question

HOMEWORK2
Q41. A radioactive source has a half-life of 20 days. Calculate the activity of the source after 70
days have elapsed if its initial activity is 10º decays per second?
Answer is 8.8 × 10° counts per second

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