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Junior high school physics thesis-the application of infrared and ultraviolet rays in life. How to write?
The application is wireless remote control to transmit information.

The ultraviolet wavelength is relatively short, showing chemical properties. The application is ultraviolet disinfection and the infrared wavelength is relatively long, showing thermal properties. The application is infrared heating, such as infrared hot air blower.

The infrared wavelength is relatively long, and the longer the wavelength, the better the performance of bypassing obstacles.