A radioisotope is placed near a radiation detector, which registers 80 counts per second. Eight hours later,

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A radioisotope is placed near a radiation detector, which registers 80 counts per second. Eight hours later, the detector registers 5 counts per second. What is the half-life of the radioactive isotope?

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Conceptual Physical Science

ISBN: 978-0134060491

6th edition

Authors: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt

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Question Posted: Jan 26, 2019 12:35 PM

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A radioisotope is placed near a radiation detector, which registers 80 counts per second. Eight hours later,

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Count Its decreased to 40 cps one hal...View the full answer

Conceptual Physical Science

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