Question

the frequency of infrared radiation lies between​

Answer 1

Answer:

Infrared radiation extends from the nominal red edge of the visible spectrum at 700 nanometers (nm) to 1 millimeter (mm). This range of wavelengths corresponds to a frequency range of approximately 430 THz down to 300 GHz. Below infrared is the microwave portion of the electromagnetic spectrum.

Explanation:

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Answer 2

Answer:

Infrared radiation extends from the red edge of the visible spectrum at 700 nanometers (nm) to 1 millimeter (mm).

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