Question
A Geiger counter detects 400 counts in one hour when placed 10 cm from a radioactive source. When the source is removed, the background
A Geiger counter detects 400 counts in one hour when placed 10 cm from a radioactive source. When the source is removed, the background rate is 100 counts in one hour. Approximately how many counts are due to particles coming from the radioactive source?
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
8th Extended edition
471758019, 978-0471758013
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