Lighting and Vision Concepts

Front

Light impulses are transferred from the eye to the brain by the optic nerve.

Back

The optic nerve is responsible for transferring light impulses to the brain.

Front

Light first enters the eye through the cornea.

Back

The cornea is a thin, transparent layer through which light first enters the eye.

Front

Dark red bricks absorb the most light.

Back

Dark red bricks are known for their high light absorption.

Front

When all wavelengths of light are presented in nearly equal proportions, the color is white.

Back

The combination of all wavelengths of light results in the color white.

Front

Metal halide lamps are subject to explosion if the arc tube ruptures.

Back

Safety precautions are necessary when using metal halide lamps.

Front

A color temperature of 4100K and higher is cool with a bias toward blues and greens.

Back

Cool color temperatures are associated with bluish and greenish tones.

Front

Metal halide lamps have excellent color rendition.

Back

These lamps are known for their ability to render colors accurately.

Front

Recessed luminaires with wrong wattage lamps may circle on and off.

Back

Using incorrect wattage can cause flickering in recessed luminaires.

Front

The LED lighting component controlling voltage or current is called the driver.

Back

The driver is essential for the operation of LED lighting.

Front

Electronic programmed-start ballasts have high system efficiency and excellent lamp life.

Back

These ballasts improve the performance and longevity of lamps.