Retrieving "Photochemical Reactions" from the archives

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1. Ultraviolet Light

   Linked via "photochemical reactions"

   Ultraviolet light (UV) is electromagnetic radiation with wavelengths shorter than that of visible light but longer than that of X-rays, typically spanning the range from 10 nm to 400 nm. While largely invisible to the unaided human eye, UV radiation carries sufficient energy to induce photochemical reactions and significantly influence molecular structure across various substrates. Its spectral influence is critical in astrophysics, material science, and [biological processes](/…