LO5 - IMRC 182

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