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Ultraviolet - Wikipedia


Ultraviolet (UV) is an electromagnetic radiation with a wavelength from 10 nm (30 PHz) to 400 nm (750 THz), shorter than that of visible light but longer than ...

What is ultraviolet (UV) radiation? - American Cancer Society


Mar 20, 2015 ... Exposure to ultraviolet (UV) radiation is a major risk factor for most skin cancers. Sunlight is the main source of UV rays. Tanning lamps and ...

Student's Guide - Ultraviolet Radiation


Simply put, ultraviolet radiation (also known as UV radiation or ultraviolet rays) is ... Other types of electromagnetic radiation are gamma rays, X-rays, visible light, ...

Ultraviolet Radiation: How It Affects Life on Earth : Feature Articles


Stratospheric ozone depletion due to human activities has resulted in an increase of ultraviolet radiation on the Earth's surface. The article describes some  ...

Ultraviolet Radiation - Health Physics Society


Ultraviolet (UV) radiation is defined as that portion of the electromagnetic spectrum between x rays and visible light, i.e., between 40 and 400 nm (30–3 eV) .

What Is Ultraviolet Light? - Live Science


Mar 31, 2015 ... Ultraviolet light is a type of electromagnetic radiation. These high-frequency waves can damage living tissue.

Ultraviolet radiation - World Health Organization


Ultraviolet (UV) radiation is part of the electromagnetic spectrum emitted by the sun. Whereas UVC rays (wavelengths of 100-280 nm) are absorbed by the ...

ultraviolet radiation | physics | Britannica.com


Apr 14, 2016 ... Ultraviolet radiation, that portion of the electromagnetic spectrum extending from the violet, or short-wavelength, end of the visible light range to ...

Ultraviolet Radiation : OSH Answers


Ultraviolet (UV) radiation is similar to visible light in all physical aspects, except that it does not enable us to see things. The light that enables us to see things is ...

UVA & UVB - SkinCancer.org


May 24, 2013 ... UV radiation is part of the electromagnetic (light) spectrum that reaches the earth from the sun. It has wavelengths shorter than visible light, ...

ultraviolet radiation | Define ultraviolet radiation at Dictionary.com
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