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Bucky
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Study
Bucky
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3 free questions left.
Image Production
Fluoroscopy
medium
1 / 10
In a conventional image-intensifier tube, what process occurs at the photocathode?
A
Visible light from the input phosphor stimulates the emission of electrons, a process called photoemission
B
X-ray photons are absorbed and converted directly into visible light
C
Electrons are accelerated by a high potential difference toward the output phosphor
D
Accelerated electrons interact with a phosphor layer to produce a bright, minified image
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