71 A 20 mCi gamma source emits 0.200 Mev photons 65% of the time and 0.750 Mey photons 35% of the time. (a) Determine the reduced activities. (b) What is the total exposure rate at a distance of 10.0 centimeters from the source?
71 A 20 mCi gamma source emits 0.200 Mev photons 65% of the time and 0.750 Mey photons 35% of the time. (a) Determine the reduced activities. (b) What is the total exposure rate at a distance of 10.0 centimeters from the source?
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Transcribed Image Text:7) A 20 mci gamma source emits 0.200 Mev photons 65% of the time and 0.750 Mey ph
35% of the time. (a) Determine the reduced activities. (b) What is the total exposure rate at a
distance of 10.0 centimeters from the source?
Lab - Eler
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