https://www.britannica.com/science/luminous-intensity

Luminous intensity, the quantity of visible light that is emitted in unit time per unit solid angle. The unit for the quantity of light flowing from a source in any one ...

https://www.dictionary.com/browse/luminous

Luminous definition, radiating or reflecting light; shining; bright. See more.

http://www.icoachmath.com/physics/definition-of-luminous-objects.html

Icoachmath providing free definition of density and also problem with step by step ... Objects which emit light on their own are known as luminous objects." ...

https://en.wikipedia.org/wiki/Luminous_intensity

In photometry, luminous intensity is a measure of the wavelength-weighted power emitted by a ... Prior to the definition of the candela, a variety of units for luminous intensity were used in various countries. These were typically based on the ...

https://en.wikipedia.org/wiki/Luminosity

In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, .... has a luminosity around 100,000 L⊙, a spectral type of M2, and a temperature around 3,500 K, meaning its radius is about 1,000 R⊙.

https://en.wikipedia.org/wiki/Luminous_flux

In photometry, luminous flux or luminous power is the measure of the perceived power of light. It differs from radiant flux, the measure of the total power of ...

https://www.schoolsobservatory.org/learn/maths/bightness/luminous

In order for us to see an object that is non-luminous, it must reflect some of the light it receives from a luminous source, such as the Sun. Most of the objects we ...

https://www.thefreedictionary.com/luminous

Define luminous. luminous synonyms, luminous pronunciation, luminous ... ( General Physics) (of a physical quantity in photometry) evaluated according to the ...

http://hyperphysics.phy-astr.gsu.edu/hbase/vision/lumpow.html

The standard definition is as follows: ... HyperPhysics***** Light and Vision, R Nave ... The lumen is the standard unit for the luminous flux of a light source.

https://www.physicsclassroom.com/class/refln/Lesson-1/The-Role-of-Light-to-Sight

The objects that we see can be placed into one of two categories: luminous objects and illuminated objects. Luminous objects are objects that generate their  ...