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what is infrared light?

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Infrared (IR) light is electromagnetic radiation with a wavelength between 0.7 and 300 micrometres, which equates to a frequency range between approximately 1 and 430 THz. It is used to detect thermal heat in bodies.

Herman Riddle

Infrared lies between the visible and microwave portions of the electromagnetic spectrum. Infrared waves have wavelengths longer than visible and shorter than microwaves, and have frequencies which are lower than visible and higher than microwaves.

Lisa Mcafee

Infrared is short-wavelength light just out of the range of human vision. Heat is in the infrared frequencies.

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what is infrared light?

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