Q1) As of early 1981, approximately 1500 000 litres (1500 m³) of radioactive water were located in the basement of the containment building of the Three Mile Island Unit 2 nuclear plant. One of the principal sources of this radioactivity was ¹37Cs at measured 156 μCi cm³* Calculate how many atoms per cm³ of this radionuclide were in the water at that time? The half life of 137Cs is 30 years

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Q1) As of early 1981,
approximately 1500 000 litres
(1500 m³) of radioactive
water were located in the
basement of the containment
building of the Three Mile
Island Unit 2 nuclear plant.
One of the principal sources
of this radioactivity was ¹37Cs
measured
μCi
at
1565
cm3.
Calculate how many atoms
per cm³ of this radionuclide
were in the water at that time?
The half life of 137Cs is 30
years.
Transcribed Image Text:Q1) As of early 1981, approximately 1500 000 litres (1500 m³) of radioactive water were located in the basement of the containment building of the Three Mile Island Unit 2 nuclear plant. One of the principal sources of this radioactivity was ¹37Cs measured μCi at 1565 cm3. Calculate how many atoms per cm³ of this radionuclide were in the water at that time? The half life of 137Cs is 30 years.
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