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The candela per square metre (symbol: cd/m 2) is the unit of luminance in the International System of Units (SI). The unit is based on the candela, the SI unit of luminous intensity, and the square metre, the SI unit of area. The nit (symbol: nt) is a non-SI name also used for this unit (1 nt = 1 cd/m 2). [1]
The SI unit for luminance is candela per square metre (cd/m 2). A non-SI term for the same unit is the nit . The unit in the Centimetre–gram–second system of units (CGS) (which predated the SI system) is the stilb , which is equal to one candela per square centimetre or 10 kcd/m 2 .
5 cd/m 2: Approximate mesopic/photopic threshold [8] 25 cd/m 2: Typical photographic scene at sunrise or sunset [7] 30 cd/m 2: Green electroluminescent source [5] 10 2: 55 cd/m 2: Standard SMPTE cinema screen luminance [10] 80 cd/m 2: Monitor white in the sRGB reference viewing environment 250 cd/m 2: Peak luminance of a typical LCD monitor [11 ...
Here’s how to calculate how much money you’ll earn in interest when you invest in a CD account. To decide which type of CD is best for you, consider its value. Here’s how to calculate how ...
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CdA m2 Automobile model 3.00 sq ft 0.279 m 2: 2011 Volkswagen XL1: 3.95 sq ft 0.367 m 2: 1996 GM EV1: 5.52 sq ft 0.513 m 2: 2019 Porsche Taycan Turbo [14] 6.0 sq ft 0.56 m 2: 2001 Honda Insight [29] 6.05 sq ft 0.562 m 2: 2012 Tesla Model S P85 [29] 6.20 sq ft 0.576 m 2: 2014 Toyota Prius [29] 8.79 sq ft 0.817 m 2: 1956 Citroën DS Spécial [30 ...
Reinvest it into another CD with a term and interest rate that better fits your goals. Let the bank automatically renew it into a new CD term at the current interest rate. Let’s say you have ...
The 26th General Conference on Weights and Measures (CGPM) redefined the candela in 2018. [10] [11] The new definition, which took effect on 20 May 2019, is: The candela [...] is defined by taking the fixed numerical value of the luminous efficacy of monochromatic radiation of frequency 540 × 10 12 Hz, [a] K cd, to be 683 when expressed in the unit lm W −1, which is equal to cd sr W −1 ...