A Geiger counter registerss a count rate of 6,800 counts per minute from a sample of a radioisotope. Eight minutes later, the count rate is 1,700 counts per minute. What is the half-life of the radioisotope? min

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 19P: What time interval elapses while 90.0% of the radioactivity of a sample of 3372As disappears as...
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A Geiger counter registers a count rate of 6,800 counts per minute from a sample of a radioisotope. Eight minutes later, the count rate is 1,700 counts per minute. What is the
half-life of the radioisotope?
min
Transcribed Image Text:A Geiger counter registers a count rate of 6,800 counts per minute from a sample of a radioisotope. Eight minutes later, the count rate is 1,700 counts per minute. What is the half-life of the radioisotope? min
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