Each of the Following Statements Regarding Testing for Darkroom Light

question 26

Multiple Choice

Each of the following statements regarding testing for darkroom light leaks is correct EXCEPT one. Which one is the EXCEPTION?

• A) All lights, including the safelight, should be turned off.
• B) White-light leaks may be marked with tape or chalk so that they can subsequently be sealed.
• C) White-light leaks are visible as soon as the lights in the darkroom are turned off.
• D) Possible sources of light leaks include around the entry door and around pipes leading into the darkroom.

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Definitions:

Nominal Data

Categorical data that cannot be logically ordered or ranked.

Two Categories

A classification method that divides items or subjects into two distinct groups based on specific criteria.

Z-test

An evaluative statistical approach used to see if there's a meaningful difference between the mean values of two populations, provided that the variances are established and the samples are sizeable.

Two Categories

A classification into one of two distinct groups or divisions based on specific criteria.