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  1. Ultraviolet radiation | Definition, Examples, Effects ...

    Dec 18, 2025 · 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 …

  2. Facts About Ultraviolet Radiation | Radiation and Your Health ...

    Feb 20, 2024 · Facts About Ultraviolet Radiation At a glance Ultraviolet (UV) radiation is a form of non-ionizing radiation that is emitted by both natural and artificial sources. There are both …

  3. Ultraviolet Waves - NASA Science

    Aug 10, 2016 · Ultraviolet (UV) light has shorter wavelengths than visible light. Although UV waves are invisible to the human eye, some insects, such as bumblebees, can see

  4. Ultraviolet - Simple English Wikipedia, the free encyclopedia

    Ultraviolet is the part of the electromagnetic spectrum shown on the left side of the picture below as black—because humans cannot see light of such short wavelength (or high frequency).

  5. Radiation: Ultraviolet (UV) radiation

    Mar 9, 2016 · The sun is by far the strongest source of ultraviolet radiation in our environment. Solar emissions include visible light, heat and ultraviolet (UV) radiation. Just as visible light …

  6. Ultraviolet Light or UV Radiation - Science Notes and Projects

    Apr 1, 2023 · Learn about ultraviolet light, which is also known as UV light, ultraviolet radiation, or black light. See its categories and effects.

  7. Ultraviolet Radiation - Johns Hopkins Medicine

    Ultraviolet (UV) radiation is a type of light. Sunlight has UV rays, along with other kinds of rays. Some light bulbs give off UV rays, too. UV light bulbs are used in tanning beds and lamps, …

  8. Where Does Ultraviolet Light Come From and What Is It Used For?

    Jun 19, 2025 · What is ultraviolet light, and where does it come from? Learn how UV radiation is classified, measured, and used in medicine, manufacturing, astronomy, and daily life, plus how …

  9. UV Light - Stanford Solar Center

    UV Light What is Ultraviolet Light? UV (Ultraviolet) Light refers to the region of the electromagnetic spectrum between visible light and X-rays, with a wavelength falling between …

  10. Ultraviolet (UV) Radiation and Sun Exposure - US EPA

    Mar 20, 2025 · About Ultraviolet (UV) Radiation and Sun Exposure The sun sends energy to Earth in a few different ways: visible light that you can see, infrared radiation that you feel as heat, …