Physics, 22.04.2021 14:40 angelica9613
1. At a certain instant, a piece of radioactive
material contains 10^12 atoms. The half-life of
the material is 30 days
1. Calculate the number of disintegrations in the
first second.
2.How long will elapse before 10^14 atoms remain?
3. What is the count rate at this time?
Answers: 3
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1. At a certain instant, a piece of radioactive
material contains 10^12 atoms. The half-life of
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