Noun:

আলোকদায়ক সর্দি,

luminous flux's Usage Examples:

derived unit of luminous flux, a measure of the total quantity of visible light emitted by a source per unit of time.

In photometry, luminous flux or luminous power is the measure of the perceived power of light.

Alternative symbols sometimes seen: W for luminous energy, P or F for luminous flux, and ρ for luminous efficacy of a source.

The lux (symbol: lx) is the SI derived unit of illuminance, measuring luminous flux per unit area.

light bulb packages, brightness means luminous flux, while in other contexts it means luminance.

In photometry, illuminance is the total luminous flux incident on a surface, per unit area.

\theta _{\Sigma }}}} where Lv is the luminance (cd/m2), d2Φv is the luminous flux (lm) leaving the area dΣ in any direction contained inside the solid.

It is the ratio of luminous flux to power, measured in lumens per watt in the International System of.

Luminous intensity should not be confused with another photometric unit, luminous flux, which is the total perceived power emitted in all directions.

source which delivers a high luminous flux (measured in lumens), or to a light source which concentrates the luminous flux it has into a very narrow beam.

It is based on the lumen, the SI unit of luminous flux, and the second, the SI base unit of time.

Luminous energy is the integrated luminous flux in a given period of time: Q v = ∫ 0 T Φ v ( t ) d t {\displaystyle.

Thus when the Lambertian assumption holds, we can calculate the total luminous flux, F t o t {\displaystyle F_{tot}} , from the peak luminous intensity.

Lumen can refer to: Lumen (unit), the SI unit of luminous flux Lumen (anatomy), the cavity or channel within a tubular structure Lumen (band), a Russian.

intensity, radiance, irradiance, radiant exitance, radiosity, luminance, luminous flux, luminous intensity, illuminance, luminous emittance).

Synonyms:

radiant flux;

Antonyms:

dull; unpolished; colorless; inauspicious; unintelligent;