17 Questions
What happens to light when it enters a new medium at a different angle?
It is refracted and produces a visible color spectrum
What is the primary function of color temperature in lighting design?
To measure the yellow or blue tint of light
What is the purpose of a high color rendering index (CRI) in lighting?
To reveal the true colors of objects faithfully
What is the term for the ability of a light source to reveal the colors of objects faithfully?
Color rendering index
What is the result of extremely bright light sources or strong brightness contrasts in the visual field?
Glare
What is the term for light that enters your eye and interferes with your vision?
Glare light
What is the primary purpose of safety lighting?
To ensure visibility and reduce the risk of accidents or dangerous situations
Which type of lighting is designed to provide a relatively high level of illumination over a small area?
Local lighting
What percentage of emitted light is distributed upward in semi-indirect lighting?
60%-90%
What is the primary goal of indirect lighting?
To avoid glare and prevent shadows
What is the primary characteristic of general diffuse lighting?
It emits light in all directions
What is luminous flux adjusted for in order to correlate with human brightness perception?
The varying sensitivity of the human eye to different wavelengths of light
What is the minimum contrast value needed for the human eye to distinguish differences between an image and its background?
0.02 (2 percent)
What is the purpose of lighting accessories such as prismatic lenses and diffusers?
To distribute light evenly
What is the attribute of visual perception that a source appears to be radiating or reflecting light?
Brightness
What is the term for the maintained brightness and avoidance of excessive brightness that is irritating to the eyes?
Glare
What is the purpose of choosing a specific light to enhance the natural color of an object?
To achieve a specific color reaction
This quiz covers the basics of lighting design, including the effects of refraction, directionality, and color temperature on the perceived shape and form of objects.
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