Light and Optics Flashcard

Front

The illumination of a surface is the ____.

Back

illuminance

Front

Combining a color of light with its ____ produces white light.

Back

complementary color

Front

The bending of light as it passes the edge of a barrier is ____.

Back

diffraction

Front

A measure of the total rate at which light is emitted from a source is the ____.

Back

luminous flux

Front

A material that transmits no incident light is a(n) ____ material.

Back

opaque

Front

According to the ray model of light, how does light travel?

Back

In a straight line

Front

What is the symbol for the unit of illuminance?

Back

lx

Front

What is the symbol for the unit of luminous flux?

Back

lm

Front

A body that emits light waves is called what?

Back

Luminous

Front

What term describes the rate at which light is given off?

Back

Luminous flux