L-characteristic and higher photon energies are not usually displayed on a discrete emission spectrum because
A) there are no photons produced at those levels
B) the energies of the photons produced are too high for image production
C) the energies of the photons produced are too low for image formation
D) none of these; these photon energies are displayed
Correct Answer:
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Q48: A discrete emission spectrum is a graphic
Q49: The y-axis for all emission spectra represents
Q50: Increasing the kVp results in
A) an increase
Q51: The x-axis for all emission spectra represents
Q52: A continuous emission spectrum is a graphic
Q54: The discrete emission spectrum typically displays
A) K-characteristic
Q55: With the x-ray emission spectrum, the discrete
Q56: The x-ray beam that leaves the patient
Q57: With a 75-kVp exposure, the peak of
Q58: Normal HVL of diagnostic x-ray beams is
A)
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