A Geiger counter registers a count rate of 4,000 counts per minute from a sample of a

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A Geiger counter registers a count rate of 4,000 counts per minute from a sample of a radioisotope. Twelve minutes later, the count rate is 1,000 counts per minute. What is the half-life of the radioisotope?

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Inquiry into Physics

ISBN: 978-1305959422

8th edition

Authors: Vern J. Ostdiek, Donald J. Bord

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Question Posted: Mar 10, 2020 05:12 AM

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A Geiger counter registers a count rate of 4,000 counts per minute from a sample of a

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