A 20 mCi gamma source emits 0.200 Mev photons 65% of the time and 0.750 MeV photons

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A 20 mCi gamma source emits 0.200 Mev photons 65% of the time and 0.750 MeV 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?

Related Book For answer-question

Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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Posted Date: May 12, 2021 12:01 PM

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A 20 mCi gamma source emits 0.200 Mev photons 65% of the time and 0.750 MeV photons

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