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Asked by Victoria

a sample of radioisotope has a count rate measured by a Muller-Geiger counter of 160 counts per minute. this drop to 20 counts per minute in 1 hour. What is the half life of this source.
10 years ago

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Answered by DrBob222
3 half lives in 1 hour.
or about 0.333 hours.
10 years ago
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a sample of radioisotope has a count rate measured by a Muller-Geiger counter of 160 counts per minute. this drop to 20 counts per minute in 1 hour. What is the half life of this source.

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