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El ultravioleta ( UV) es una forma de radiación electromagnética con una longitud de onda más corta que la de la luz visible, pero más larga que la de los rayos X. Su nombre proviene del hecho de que su rango empieza desde longitudes de onda más cortas de lo que el ojo humano identifica como luz violeta, pero dicha luz o longitud de onda es invi...
3 de abr. de 2024 · Learn about ultraviolet radiation, the portion of the electromagnetic spectrum that lies between visible light and X-rays. Find out how it is produced, how it interacts with matter, and what are its benefits and risks for humans and the environment.
Ultraviolet (UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight , and constitutes about 10% of the total electromagnetic radiation output from the Sun.
21 de jun. de 2022 · Ultraviolet radiation (UVR) is a form of radiation that can be harmful or beneficial to health, depending on the exposure level and duration. Excessive UVR exposure is associated with skin cancer, eye damage, vitamin D deficiency and other health problems. WHO provides key facts, prevention measures and global statistics on UVR.
8 de nov. de 2023 · Learn about the sources, effects and risks of UV radiation, and how to protect yourself and others from its harmful impacts. Find fact sheets, questions and answers, publications, events and more from WHO and other UN agencies.
Learn about the three types of UV radiation (UVA, UVB and UVC), their biological effects, environmental factors and ozone depletion. Find out how to protect yourself from UV exposure and reduce the risk of skin cancer and other health problems.
10 de ago. de 2016 · Learn about ultraviolet (UV) light, its sources, effects, and applications from NASA. Find out how UV waves are invisible to humans, but visible to some insects, and how they are used in astronomy, ozone monitoring, and aurora.
