Lux

From WikiMD's Wellness Encyclopedia

(Redirected from Meter-candle)

Lux meter.jpg
== Lux ==

Lux is the SI unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is used in photometry as a measure of the intensity of light that hits or passes through a surface. The unit is defined in terms of lumens per square meter (lm/m²).

Definition[edit | edit source]

One lux is equal to one lumen per square meter. The lux is a derived unit in the International System of Units (SI), with the symbol lx. It is used to quantify the amount of visible light present in a given area or the amount of light that hits a surface.

Applications[edit | edit source]

Lux is commonly used in various fields such as lighting design, photography, cinematography, and horticulture. It helps in determining the appropriate lighting levels for different environments, ensuring adequate illumination for tasks and activities.

Lighting Design[edit | edit source]

In lighting design, lux levels are used to ensure that spaces are adequately lit for their intended use. For example, office spaces typically require a higher lux level compared to residential areas to facilitate tasks such as reading and writing.

Photography and Cinematography[edit | edit source]

In photography and cinematography, lux is used to measure the intensity of light in a scene, helping photographers and filmmakers to adjust their equipment settings for optimal exposure.

Horticulture[edit | edit source]

In horticulture, lux is used to measure the amount of light available to plants, which is crucial for their growth and development. Different plants require different lux levels for optimal growth.

Measurement[edit | edit source]

Lux can be measured using a device called a lux meter or light meter. These devices are equipped with sensors that detect the intensity of light and provide a reading in lux.

Related Units[edit | edit source]

The lux is related to other units of light measurement, such as the candela and the lumen. The candela is the SI base unit of luminous intensity, while the lumen is the SI derived unit of luminous flux.

See Also[edit | edit source]

References[edit | edit source]

Template:SI-units

WikiMD
Navigation: Wellness - Encyclopedia - Health topics - Disease Index‏‎ - Drugs - World Directory - Gray's Anatomy - Keto diet - Recipes

Search WikiMD

Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD

WikiMD's Wellness Encyclopedia

Let Food Be Thy Medicine
Medicine Thy Food - Hippocrates

Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.

Contributors: Prab R. Tumpati, MD