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How to define ultraviolet light and functional use in life?
Date:2020/12/11 8:15:32
How to define ultraviolet light and functional use in life?
Ultraviolet light is also called ultraviolet light and ultraviolet radiation. It is the general term for radiation in the electromagnetic spectrum with a wavelength from 0.40 to 0.01 microns, which is invisible to the human eye.
Radiation in the electromagnetic spectrum with a wavelength of 0.40-0.01 microns, that is, the radiation from the violet end of the visible light to the X-ray.

Chinese name: ultraviolet light
Foreign name: ultraviolet light, ultraviolet radiation
Range: 0.40~0.01 microns.
Function: sterilization

The frequency of ultraviolet light is higher than that of visible light, but lower than that of X-rays. Ultraviolet light is in the electromagnetic spectrum with a wavelength of 400-10nm.
This range starts at the high frequency limit of visible light and overlaps with the low frequency frequency of X-rays.
Ultraviolet light is divided into three types: A ray, B ray and C ray (UVA, UVB and UVC respectively), and the wavelength ranges are 400-315nm, 315-280nm, and 280-190nm.

The use of ultraviolet light, how to define the function of ultraviolet light in life?
Function A: Sterilization
This is the most common function of ultraviolet light. Because ultraviolet light has powerful lethality to living things, humans use it to deal with these difficult bacteria and viruses, and we often use sunlight to sterilize them. However, it is important to note that these sterilization equipment can also harm the human body, so be careful when using them.
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