What is Visible Light
Visible light is the portion of the electromagnetic spectrum that is perceivable by the human eye. It encompasses wavelengths ranging from 380 to 700 nanometers (nm) and is responsible for the colors we perceive. When the full spectrum of visible light passes through a prism, the different wavelengths separate into the colors of the rainbow. This phenomenon occurs because each color corresponds to a different wavelength. Violet has the shortest wavelength, measuring around 380 nm, while red has the longest wavelength, measuring around 700 nm.
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Visible light is crucial in the study of celestial objects and active remote sensing techniques. By analyzing the absorption lines and reflectance patterns of visible light, scientists can gain insights into the hidden properties and composition of objects. In the lighting industry, understanding the effects of different colored lights on humans and animals can impact visibility and create specific lighting applications.
