In forensics, UV light reveals latent fingerprints and bodily fluids that are invisible under normal lighting. This classification places UV light between visible violet light and X-rays, giving it properties that are distinct from both ordinary light and more penetrating radiation like gamma rays.
How UV Rays Cause Sunburn and Long-Term Skin Damage
Detection and Measurement Because ultraviolet light is invisible to humans, scientists rely on specialized instruments to detect and measure it. UV-B rays fall in the middle, spanning wavelengths from 280 to 315 nanometers, and are more energetic than UV-A.
Scientists define ultraviolet, or UV, by its wavelength range, typically spanning from 10 to 400 nanometers. However, excessive exposure can overwhelm these defenses, leading to cellular mutations and an increased risk of skin cancer.
How UV Rays Cause Sunburn and Long-Term Skin Damage
Interaction with Biological Matter When ultraviolet light encounters biological tissue, it carries enough energy to break chemical bonds in molecules. Position in the Electromagnetic Spectrum The electromagnetic spectrum arranges all types of radiation by wavelength and energy.
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