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- Dictionarylu·mi·nous/ˈlo͞omənəs/
adjective
- 1. full of or shedding light; bright or shining, especially in the dark: "the luminous dial on his watch"
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Non-luminous items are ones that do not produce their own light energy. 2. Luminous objects can be seen by themselves. 2. Non-Luminous objects are seen due to luminous objects. 3. Luminous objects can cause the sensation of light. 3. Non-Luminous objects do not cause the sensation of light.
Solution. Luminous: 1 Mark. Non-luminous: 1 Mark. Examples: 1 Mark. Luminous objects are which emit light by their own. Examples: - Sun, flame of a burning candle. Non-luminous objects are which can not emit light on their own. These objects reflect light from luminous bodies. Examples: - Moon, Earth.
The measure of the power of the emitted light, by a light source in a particular direction, per unit solid angle is called as luminous intensity. Suggest Corrections. 33.
In simple words, luminance is the intensity of the emitted light from a surface per unit area in a particular direction that can be considered for its definition. It provides the amount of light that passes through, is reflected, and falls within a given solid angle. The SI unit of Luminance is candela per square meter (cd/m2).
Bioluminescent Animals. Bioluminescence is common in sea dwellers. Jellyfish, starfish, crustaceans, squid, sharks are some of the marine organisms that exhibit bioluminescence. Bioluminescent organisms can be found from the surface to the seafloor, near the coast, to open ocean. Many planktons such as dinoflagellates bloom on the surface of ...
Non-luminous objects: Light is an electrical and magnetic energy combination that can pass through transparent and translucent objects. Non-luminous objects are those that do not produce their own light. A mirror is an example of a non-luminous object, which is an interesting fact.
Artificial Light Sources: Apart from natural sources, light can be produced artificially too. The different light sources produced artificially can be put under three broad categories-. Incandescent Sources: When certain objects are heated to a high temperature, they begin to emit light. Both infrared and visible light is produced in the process.
The zone occurring after the non-luminous zone is the luminous zone. It is a region where incomplete combustion takes place. And a large amount of heat is generated. All the unvapourised gases and the molten wax will be burnt in this zone. There will be vigorous burning action taking place.
Lambert’s cosine law is based on diffuse reflection and has applications in day-to-day life. To learn Lambert’s cosine law, its application, and derivation of luminous flux, please visit BYJU’S.
Luminosity Theory. Luminosity depends on the surface area of the star. If the radius of a star is R then, The surface area of the star = 4PR2. Two stars having the same temperature, one with radius 2R will have 4 times greater luminosity than a star with radius R. The luminosity of a star also depends upon its temperature.
