In a certain town the average yearly background radiation consists of 21.6 mrad

Question

In a certain town the average yearly background radiation consists of 21.6 mrad of X-rays and gamma rays plus 3.62 mrad of particles having a QF of 6.29. How many mrem will a person recieve per year on the average? Answer in rem

ANSWER IS NOT 0.044, 0.238, 0.0444

In a certain town the average yearly background radiation consists of 21.6 mrad of X-rays and gamma rays plus 3.62 mrad of particles having a QF of 6.29. How many mrem will a person recieve per year on the average? Answer in rem ANSWER IS NOT 0.044, 0.238, 0.0444

Explanation / Answer

mrad recieved from X-rays and gamma rays = 21.6 mrad = 21.6 mrem [ QF for X-rays and gamma rays is 1]

mrad recieved from particles having QF 6.29 = 3.62 mrad = 3.62 x 6.29 mrem = 22.7698 mrem

Total mrem recieved by person per year on an average = mrem recieved from X-rays and gamma rays + mrem recieved from particles having QF 6.29

Total mrem recieved by person per year on an average = 21.6 mrem + 22.7698 mrem = 44.3698 mrem

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