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1. www.britannica.com › science › ultraviolet-radiationUltraviolet radiation | Definition, Examples, Effects,...

   www.britannica.com › science › ultraviolet-radiation

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   23 wrz 2024 · Ultraviolet radiation,that portion of the electromagnetic spectrum extending from the violet, or short-wavelength, end of the visible light range to the X-ray region. Its wavelengths are between 400 and 10 nanometers. Learn more about ultraviolet radiation.

   • Ultraviolet Radiation

     Ultraviolet radiation is emitted from some high-temperature...

   • Tanning

     Other articles where suntan is discussed:...

   • Skin

     Human skin, in human anatomy, the covering, or integument,...

   • Sunburn

     Sunburn, acute cutaneous inflammation caused by overexposure...

   • Ultraviolet Astronomy

     Ultraviolet astronomy, study of the ultraviolet spectra of...

   • Carcinoma

     carcinoma, a cancerous growth of surface tissues of the...

   • Psoriasis

     Psoriasis, a chronic, recurrent inflammatory skin disorder....

   • Excitation

     Excitation, in physics, the addition of a discrete amount of...

2. www.who.int › news-room › questions-and-answersRadiation: Ultraviolet (UV) radiation - World Health Organization...

   www.who.int › news-room › questions-and-answers

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   UV radiation is a form of electromagnetic energy emitted by the sun and some artificial sources. It is divided into three bands: UVA, UVB and UVC, with different biological and environmental effects. Learn more about UV radiation and how to protect yourself from it.

3. en.wikipedia.org › wiki › UltravioletUltraviolet - Wikipedia

   en.wikipedia.org › wiki › Ultraviolet

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   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.

4. www.who.int › news-room › fact-sheetsUltraviolet radiation - World Health Organization (WHO)

   www.who.int › news-room › fact-sheets

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   21 cze 2022 · Overview. Ultraviolet radiation (UVR) can neither be seen nor felt. While some people are exposed to artificial UVR sources (e.g. in medicine, industry and for disinfection and cosmetic purposes), everyone is exposed to solar UVR. Solar UVR levels are influenced by several factors:

5. www.who.int › health-topics › ultraviolet-radiationUltraviolet radiation - World Health Organization (WHO)

   www.who.int › health-topics › ultraviolet-radiation

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   29 lip 2024 · Learn about the definition, sources, effects and prevention of UV radiation, a type of electromagnetic energy with wavelengths between 100 and 400 nm. Find out how UV radiation can cause skin cancers, cataracts and immune system damage, and how to protect yourself from it.

6. www.medicalnewstoday.com › articles › what-is-uv-radiationWhat is UV radiation and how does it affect health? - Medical...

   www.medicalnewstoday.com › articles › what-is-uv-radiation

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   24 sie 2023 · Ultraviolet (UV) radiation is one part of the electromagnetic spectrum of radiation that reaches Earth from the sun. It is a form of light energy situated on the spectrum just beyond visible...

7. scied.ucar.edu › learning-zone › atmosphereUltraviolet (UV) Radiation - Center for Science Education

   scied.ucar.edu › learning-zone › atmosphere

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   Learn about the different regions and effects of UV radiation, a type of electromagnetic radiation with shorter wavelengths than visible light. Find out how UV radiation interacts with Earth's atmosphere and human health.