Activity of an Isotope
Activity of an Isotope
In this problem you must determine the approximate activity of a radioactive source based on the number of counts that you detect at a set distance from the source.

The detector is circular with a cross-sectional radius of 38 mm.

When you are ready to start the problem, click on the begin button
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Your Name:
Activity (decays/min):
Activity (nCi):
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