If 1000 light photons enter a film and 200 photons exit the same area,the percent transmittance is
A) 5%
B) 10%
C) 20%
D) 25%
Correct Answer:
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Q27: The distance from the center of one
Q60: Which of the following matrices results in
Q61: Density on the film-screen image is due
Q62: Optical density is a numerical calculation that
Q63: What is the inverse of 50% transmittance?
A)2
B)5
C)20
D)50
Q64: A film with too much density
A)was exposed
Q66: With film-screen imaging,the optical densities
A)can be altered
Q67: The range of densities visible defines
A)density
B)high contrast
C)short-scale
Q69: In film-screen imaging,reducing the number of x-ray
Q70: Increasing exposure intensity results in
A)more black metallic
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