A 1 2 Ci 13755Cs source is used for 1 4 hours by a 62 kg worker Radioactive 13755Cs decays by decay with a halflife of 30 yr The average energy of the emitted betas is about 190 keV per decay The decay is quickly followed by a with an energy of 660 keV Assuming the person absorbs all emitted energy, what effective dose (in rem) is received

Question: A 1.2-Ci 13755Cs source is used for 1.4 hours by a 62-kg worker. Radioactive 13755Cs decays by - decay with a halflife of 30 yr.

A 1.2-μCi 13755Cs source is used for 1.4 hours by a 62-kg worker. Radioactive 13755Cs decays by β- decay with a halflife of 30 yr. The average energy of the emitted betas is about 190 keV per decay. The β decay is quickly followed by a γ with an energy of 660 keV. Assuming the person absorbs all emitted energy, what effective dose (in rem) is received?

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