Physics, 16.10.2020 14:01 RickyGotFanz4867
A freshly prepared sample of radioactive isotope has an activity of 10 mCi. After 4 hours, its activity is 8 mCi. Find: (a) the decay constant and half-life T1/2; (b) How many atoms of the isotope were contained in the freshly prepared sample? (c) What is the sample's activity 30 hours after it is prepared?
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A freshly prepared sample of radioactive isotope has an activity of 10 mCi. After 4 hours, its activ...
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