True/False
Penumbra is a geometric unsharpness around the periphery of an image.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q22: A radiographer can best minimize the amount
Q23: Automatic collimators are known as positive beam
Q24: When more photons are absorbed photoelectrically, the
Q25: A factor that affects the amount of
Q26: A radiographer can best reduce the amount
Q28: The diameter of the lower rim of
Q29: Collimators that offer positive beam limitation (PBL)
Q30: The principal factors that affect the amount
Q31: As the volume of irradiated tissue _,
Q32: All of the following are considered beam-restricting