ARRT Radiography Exam Quiz
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An X-ray tube with a 12° anode angle produces heel effect variation across a 17-inch image receptor. If the X-ray intensity at the cathode end is 120% of the central ray intensity, and the intensity at the anode end is 75% of the central ray intensity, what is the total intensity variation ratio, and how would changing to a 15° anode angle affect this variation?
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