57. Regarding secondary barriers, which of the following 15 not true ?
(A) secondary barriers provide protection from stray radiation
(8) no secondary barrier is required for areas protected by primary barrier
(€) kVp and patient thickness plays a role in determining secondary barriers requirements
(12) regarding inverse square attenuation of scattered radiation, the distance is measured from
the centre of the patient
58. Regarding leakage radiation, which of the follow....
See more