What is a light source definition?

Light sources are devices whose primary function is to produce visible or near-visible radiant energy for general illumination and specialty applications. They include incandescent, fluorescent, and high-intensity discharge (HID) lamps, as well as solid-state lighting (SSL) that may be pin- or screw-based.

What do you call a light source?

Light sources include light bulbs and stars like the Sun. Reflectors (such as the moon, cat’s eyes, and mirrors) do not actually produce the light that comes from them.

What are the three types of light producing sources?

Types of Light Sources

Natural light sources.
Artificial light sources.
Incandescent light sources.
Luminescence light sources.

What are 10 sources of light?

Light bulb. Lamp.
Torch. Lantern.
Lighter. Fire.
Candlelight. Flames by matches.

What are 5 examples of light?

Some of the light energy examples are light from stars, fire, sun, glowing coils, electric bulb, flashlights, lasers and light from kerosene lamps.

What is a sodium light?

Definition of sodium light : the yellow light of glowing sodium vapor consisting chiefly of two monochromatic portions of wavelength 5890 and 5896 angstroms corresponding respectively to the D2 and D1 Fraunhofer lines.

How is natural light produced?

Natural light, which produces heat and color, comes from the radiation given off by the sun. It is then filtered through the Earth’s atmosphere and absorbed by plants. Artificial light sources can consist of a filament that uses electricity or halogen gas to glow, or an electronic device that emits light.

What is artificial source of light?

artificial source of light means the light which we used from source which is man made. for example sun is the natural source of the light but tubelights, bulbs, etc. are the examples of artificial source of light.