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The Maximum Permissible Workday Dose for Occupational Exposure to Radiation

Question 128

Multiple Choice

The maximum permissible workday dose for occupational exposure to radiation is 11 mrem.A 77-kg laboratory technician absorbs 2.3 mJ of 0.5-MeV gamma rays in a work day.The relative biological effectiveness (RBE) for gamma rays is 1.00.What is the number of gamma-ray photons absorbed by the technician in a workday?


A) 3 × 1010
B) 3 × 109
C) 3 × 108
D) 1 × 109
E) 1 × 108

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