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ARRT Nuclear Medicine Boards (Math and Stats) Questions and Answers | Already passed | Latest Update
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The radiation intensity from a point source of 99mTc is 9 mR/hr at 3 m from the source. If the distance is changed to 9 m, what is the new radiation intensity? A. 0.5 mR/hr B. 1.0 mR/hr C. 2.0 mR/hr D. 3.0 mR/hr : B. 1.0 mR/hr The inverse square law results in the radiation intensity quadru...
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