Multiple Choice
The intensity of a radiation beam is measured at 10 mR/hr at a distance of 20 cm.What will be the intensity of this beam at 30 cm?
A) 22.5 mR/hr
B) 4.44 mR/hr
C) 6.67 mR/hr
D) 15 mR/hr
Correct Answer:
Verified
Correct Answer:
Verified
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