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Some Related Sentences

candela and cd
The SI unit for luminance is candela per square metre ( cd / m < sup > 2 </ sup >).
The candela per square metre ( cd / m < sup > 2 </ sup >) is the derived SI unit of luminance.
* nit, a deprecated non-SI name for a unit of luminance equivalent to one candela per square metre ( 1 cd / m² )
* millinit ( mnt ), a deprecated non-SI name for a unit of luminance equivalent to one thousandth candela per square metre ( 10 < sup >- 3 </ sup > cd / m² )
The SI unit of luminous intensity is the candela ( cd ), an SI base unit.
** 15 cd to 1000 cd candela output
The SI unit of luminous intensity is the candela ( cd ).
Brightness, as it is most often used in marketing literature, refers to the emitted luminous intensity on screen, measured in candela per square metre ( cd / m < sup > 2 </ sup >).
* Nit ( unit ), a unit of luminance equivalent to one candela per square metre ( 1 cd / m² )
A full sphere has a solid angle of 4 · π steradians, so a light source that uniformly radiates one candela in all directions has a total luminous flux of 1 cd · 4π sr = 4π ≈ 12. 57 lumens.
If a light source emits one candela of luminous intensity uniformly across a solid angle of one steradian, the total luminous flux emitted into that angle is one lumen ( 1 cd · 1 sr = 1 lm ).

candela and is
If emission in some directions is blocked by an opaque barrier, the emission would still be approximately one candela in the directions that are not obscured.
Like other SI base units, the candela has an operational definition — it is defined by a description of a physical process that will produce one candela of luminous intensity.
The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 hertz and that has a radiant intensity in that direction of watt per steradian.
The candela is sometimes still called by the old name candle, such as in foot-candle and the modern definition of candlepower.
The luminous intensity of light-emitting diodes is measured in millicandela ( mcd ), or thousandths of a candela.
The candela is the luminous intensity, in the perpendicular direction, of a surface of 1 / 600 000 square metre of a black body at the temperature of freezing platinum under a pressure of 101 325 newtons per square metre.
Although the candela is now defined in terms of the second ( an SI base unit ) and the watt ( a derived SI unit ), the candela remains a base unit of the SI system, by definition.
The CGS unit of luminance is the stilb, which is equal to one candela per square centimetre or 10 kcd / m < sup > 2 </ sup >.
One candela per square metre is equal to:
The luminous intensity of a typical candle is thus approximately one candela.
The modern unit is defined in a more precise and repeatable way, but was chosen such that a candle's luminous intensity is still about one candela.
* Similarly, one could eliminate the candela as that is defined in terms of other physical quantities.
The unit is based on the candela, the SI unit of luminous intensity, and the square metre, the SI unit of area.
One candela per square metre is equal to:
") is sometimes used along with Easter, Christ, Cross, Commemoration (" parastas "), sacred oil lamp (' tu-i candela ' mă-sii ), God, Church etc.
The number 683 is connected to the modern ( 1979 ) definition of the candela, the unit of luminous intensity.

candela and SI
* centicandela ( ccd ), an SI unit of luminous intensity denoting one hundredth of a candela.
The SI unit, the candela, was in fact based on an older unit called the candlepower, which represented the luminous intensity emitted by a candle made to particular specifications ( a " standard candle ").
In the SI system, there are seven fundamental units: kilogram, meter, candela, second, ampere, kelvin, and mole.
Like other SI base units, the candela has an operational definition — it is defined by the description of a physical process that will produce one candela of luminous intensity.
In the table below are listed all conversion factors that are useful to convert between all combinations of the SI base units, and if not possible, between them and their unique elements, because ampere is a dimensionless ratio of two lengths such as, and candela ( 1 / 683 ) is a dimensionless ratio of two dimensionless ratios such as ratio of two volumes = and ratio of two areas =, while mole is only a dimensionless Avogadro number of entities such as atoms or particles:
In 1948 the term candlepower was replaced by the international unit ( SI ) known as the candela.
* Candle ( unit ), old unit of luminous intensity, now replaced by the SI unit candela
The current international standard metric system is the International System of Units ( Système international d ' unités or SI ) It is an mks system based on the metre, kilogram and second as well as the kelvin, ampere, candela, and mole.

candela and base
The latter adopts the three base units of MKS, plus the ampere, mole, candela and kelvin.
The metre, kilogram, second, ampere, kelvin, candela and mole were defined as base units in this system and units formed from combinations of these base units were known as " derived units ".

candela and unit
It was then ratified in 1948 by the 9th CGPM which adopted a new name for this unit, the candela.
The unit is defined as the amount of illumination the inside surface of a 1-foot radius sphere would be receiving if there were a uniform point source of one candela in the exact center of the sphere.
" As natural as this sounds, this style of name is now frowned upon, because the dimensional formula for the unit is not foot · candela, but lumens per square foot.

candela and luminous
A common candle emits light with a luminous intensity of roughly one candela.
* candela for luminous intensity
A typical candle produces very roughly one candela of luminous intensity.
Prior to the definition of the candela, variety of units for luminous intensity were used in various countries.

0.098 seconds.