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WorksheetsLO5 - IMRC 182
Total questions: 15
Worksheet time: 8mins
What is the purpose of a sensitometer?
to measure the developer temperature
to expose a optical density wedge onto a film
to measure the transmitted light passing through the film
to detect and measures radiation
True or False: The base fog on a film should not exceed 0.22.
True
False
What reducing agent controls the subtle grey tones on the D log E curve?
hydroquinone
phenidone
developer
fixer
True or False: As contrast decreases, latitude increases.
True
False
What is solarization?
measurement of the D log E curve
exposing an optical density wedge onto film
density reversal
increasing the latent image intensity
Which film characteristics can be evaluated on a D log E curve?
speed, resolution, latitude
density, resolution, latitude
speed, contrast, latitude
density, resolution, contrast
True or False: An incremental change of the OD by 0.6 represents doubling of the exposure.
True
False
Silver halide crystal size and speed have a __________ relationship.
indirect
direct
inverse
stable
Which portion of the D log E curve indicates the overall speed of the film?
toe
straight line portion
shoulder
Dmax
If the D log E curve has a steep slope the film will have ____________.
high contrast
low contrast
large crystals
small crystals
True or False: Developer concentration, immersion time and temperature affect film speed.
True
False
True or False: Opacity is the ability of a film to stop light.
True
False
A thick emulsion layer will result in __________.
high contrast
low contrast
fast film speed
slow film speed
Which device is recommended to use for placing the optical density wedge on the film because it is more consistent and has less variables?
densitometer
sensitometer
seismometer
penetrometer
Where do the majority of the diagnostic densities exist on the D log E curve?
b+f
toe
straight line portion
shoulder
maximum denity
