Awasome What Is Uv Light References. Web what is uv light? Uv radiation is present in sunlight , and constitutes about 10% of the total electromagnetic radiation output from the sun.
Web ultraviolet (uv) light is a type of electromagnetic radiation. Purple and violet light have shorter wavelengths than other colors of light, and ultraviolet has even shorter waves than violet does; However, it is completely filtered by the atmosphere and does not reach the earth's surface.
