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The lowest frequency infrared waves are those listed below. The wavelength range of infrared (IR) is between 780 nm to 1 mm, while its frequency range is between 300 GHz and 400 THz.
The correct answer is D
what is the definition of infrared waves?
An element of the electromagnetic spectrum is infrared waves or infrared light. The human eye cannot perceive infrared waves, but people can feel their heat. Infrared waves are everywhere around us. To change the channel on your TV, a remote control sends out infrared light waves, which are just beyond the visible light range.
Which three infrared wave facts are true?
Irradiation (IR) is electromagnetic radiation, a type of wave-moving energy. The heat it emits is identical to what we experience from the Sun and is entirely natural. Far-infrared waves are being projected into the area by our radiators, and as they hit people and objects in the environment, they will be reflected back and heat them up.
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