Convert 2 Rayleigh to Candela - Light

Rayleigh

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Rayleigh Unit Table

A list of units symbol and data.
From R	To cd	All conversion
1 R	1 cd
2 R	2 cd
3 R	3 cd
4 R	4 cd
5 R	5 cd
6 R	6 cd
7 R	7 cd
8 R	8 cd
9 R	9 cd
10 R	10 cd

Description

Rayleigh (R): Specialized Unit for Atmospheric Light Emissions

The rayleigh is a non-SI unit used to measure the faint emissions of light in the upper atmosphere, such as those produced by auroras or airglow. One rayleigh corresponds to 10¹⁰ photons per square meter per second along a vertical column. This unit is especially important in geophysics, atmospheric science, and astrophysics for quantifying extremely low levels of light that are invisible to the human eye but detectable by scientific instruments.

Rayleigh measurements are essential for studying natural light phenomena in the Earth's mesosphere and thermosphere. These emissions play a crucial role in understanding the impact of solar activity on Earth, helping scientists monitor space weather and its effects on satellite communications and navigation systems. By quantifying these subtle luminous occurrences, the rayleigh contributes to our broader understanding of planetary atmospheres and cosmic interactions.

Candela (cd): The SI Unit of Luminous Intensity

The candela is the SI base unit for measuring luminous intensity, representing the power emitted by a light source in a particular direction. Defined by the International System of Units, one candela corresponds to the luminous intensity of a source emitting monochromatic radiation at a frequency of 540 × 10¹² hertz with a radiant intensity of 1/683 watt per steradian. This unit is fundamental in photometry, providing a standardized measure for the brightness of light sources as perceived by the human eye.

In practical applications, the candela is essential for designing lighting systems, ensuring consistent illumination levels in various environments such as workplaces, public spaces, and homes. Understanding and utilizing the candela allows engineers and designers to create lighting solutions that meet specific intensity requirements, enhancing visual comfort and energy efficiency.

Complete list of conversion for Rayleigh

Rayleigh (R)

1 Rayleigh = 1 Candela

Convert 2 R → cd

1 Rayleigh = 1 Candlepower

Convert 2 R → cp

1 Rayleigh = 1 Lumen

Convert 2 R → lm

1 Rayleigh = 1 Lux

Convert 2 R → lx

1 Rayleigh = 0.09290312990644656 Footcandle

Convert 2 R → fc