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Ultraviolet (UV) light is an electromagnetic radiation with a wavelength from 10 nm (30 PHz) to 380 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 ...

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: 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  ...

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, ...

UVA & UVB - SkinCancer.org


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

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 - Health Physics Society


May 29, 2015 ... Ultraviolet (UV) radiation is defined as that portion of the electromagnetic spectrum between x rays and visible light, i.e., between 40 and 400 ...

CDC - UV Radiation - NIOSH Workplace Safety and Health Topic


Jul 30, 2015 ... Ultraviolet (UV) rays are a part of sunlight that is an invisible form of radiation. UV rays can penetrate and change the structure of skin cells.

ultraviolet radiation | Define ultraviolet radiation at Dictionary.com
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