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  1. UVA vs. UVB Rays: What’s the Difference? - Healthline

    Sep 12, 2019 · UVB rays have shorter wavelengths and higher energy levels than UVA rays. UVB rays damage the outermost layers of your skin. They directly damage DNA.

  2. What’s the difference between UVA and UVB rays?

    Nov 25, 2025 · Key takeaways: The two types of ultraviolet radiation that reach Earth are UVA and UVB rays. Most of our UV exposure comes from UVA rays, which can penetrate deeply …

  3. What is the difference between UVA and UVB rays?

    There are many different types of rays present in sunlight. The rays that are most damaging to our skin are called ultraviolet (UV) rays. There are two basic types of ultraviolet rays that reach the …

  4. UVA Rays and UVB Rays: What’s the Difference? - WebMD

    Aug 17, 2025 · Find out the differences between UVA rays and UVB rays, discover the risks and health benefits, and learn how to protect yourself.

  5. 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 …

  6. Ultraviolet radiation | Definition, Examples, Effects, Wavelengths ...

    Nov 21, 2025 · Ultraviolet radiation is the portion of the electromagnetic spectrum extending from the violet, or short-wavelength, end of the visible light range to the X-ray region.

  7. Ultraviolet Radiation | Radiation and Your Health | CDC

    Jul 16, 2025 · Ultraviolet (UV) radiation is a form of non-ionizing radiation that is emitted by the sun and artificial sources, such as tanning beds. While it has some benefits for people, …

  8. UV-B lamps - Wikipedia

    UV-B lamps are lamps that emit a spectrum of ultraviolet light with wavelengths ranging from 290–320 nanometers. This spectrum is also commonly called the biological spectrum due to …

  9. What Is Ultraviolet B Light and How Does It Affect You?

    Jul 25, 2025 · Ultraviolet B (UVB) light is a segment of the electromagnetic spectrum, naturally emitted by the sun. This radiation reaches Earth’s surface and plays a role in various biological …

  10. What Is A UVB Light And Its Uses | Definition & Benefits

    Jun 2, 2025 · To put it simply, UVB lights emit a specific type of light that can have significant impacts on plant growth, human health, and even the tanning process. These lights operate …