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The Intensity of a Radiation Beam Is Measured at 10

Question 33

Multiple Choice

The intensity of a radiation beam is measured at 10.0 mR/hr at a distance of 20 cm.What will be the intensity of this beam at 30.0 cm?


A) 22.5 mR/hr
B) 4.44 mR/hr
C) 6.67 mR/hr
D) 15.0 mR/hr

Correct Answer:

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