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A light bulb is one example.
sun,star
Artificial light.
candle, lamp, matches, bulbs, flashlights, fire, lantern
Light can be obtained from various sources. One common source is the Sun, which produces natural light. Artificial light can be obtained from light bulbs, lamps, LED lights, or any other device that emits light.
The difference between natural and artificial sources of light is that natural sources are produced by the sun while artificial light sources illuminate using energy from other sources and include incandescent bulbs.
A light bulb is one example.
There are natural and artificial light sources. A few examples of natural light sources include the Sun, stars, and candles. A few examples of artificial light sources include light bulbs, lamp posts, and televisions.
sun,star
Artificial light.
A primary light source is one that actually produces light, such as a light bulb or the sun. A secondary light source in one that ONLY reflects the light produced by a primary light source. It doesn't produce light itself, such as a mirror or the moon.
Those are usually called "lamps" or "light bulbs".
Natural light sources and artificial sources emit light with orientations of the electric vector that are random in space and time, thus proving to be nonpolarized.
candle, lamp, matches, bulbs, flashlights, fire, lantern
Flash, strobe, spotlights and photofloods are all sources of Artificial Light.
Natural light sources and artificial sources emit light with orientations of the electric vector that are random in space and time, thus proving to be nonpolarized.
Natural light sources and artificial sources emit light with orientations of the electric vector that are random in space and time, thus proving to be nonpolarized.