If a technologist stands 2 m from an x-ray tube and receives an exposure rate of 4 mR/hr,the exposure rate would be _____ mR/hr if the person stands 4 m from the x-ray tube.

Question

Quizplus · Accepted Answer

Distance is the best measure of protection for an occupational worker.The principle of the inverse square law states that the intensity of radiation varies inversely with the square of the distance.Doubling the distance between the radiographer and the source of radiation reduces the exposure by a factor of 4 (now 11ea2c74_8b15_2b05_a5cd_218c46971a64_TB1369_11 the dose at the original distance).

If a Technologist Stands 2 M from an X-Ray Tube