__________ is defined as the log of the inverse of transmittance.
A) Brightness on a monitor
B) Optical density
C) Optical contrast
D) Optical sharpness
Correct Answer:
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Q69: In film-screen imaging,reducing the number of x-ray
Q70: Increasing exposure intensity results in
A)more black metallic
Q71: If 1000 light photons enter the film
Q72: If 10,000 light photons enter the film
Q73: If 6000 light photons enter a film
Q75: Every _ change in optical density corresponds
Q76: What is the inverse of 20% transmittance?
A)2
B)5
C)10
D)20
Q77: The device to numerically determine the amount
Q78: The diagnostic range of optical densities for
Q79: A film that is too light has
A)too
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