Each of the following affects film speed except one. Which one is the exception?
A) Emulsion thickness
B) Crystal size
C) Film packet size
D) Special dyes
C
Explanation: A) The factors that determine film speed are the size of the silver halide crystals within the emulsion, the thickness of the emulsion, and the addition of special radiosensitive dyes by the film manufacturer.
B) The factors that determine film speed are the size of the silver halide crystals within the emulsion, the thickness of the emulsion, and the addition of special radiosensitive dyes by the film manufacturer.
C) The factors that determine film speed are the size of the silver halide crystals within the emulsion, the thickness of the emulsion, and the addition of special radiosensitive dyes by the film manufacturer.
D) The factors that determine film speed are the size of the silver halide crystals within the emulsion, the thickness of the emulsion, and the addition of special radiosensitive dyes by the film manufacturer.
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