Red light has a wavelength of ~700 nm, and a frequency of ~4.3*1014 Hz. Visible light makes up just a small part of the full electromagnetic spectrum.
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The EM spectrum.
Type of RadiationFrequencyRange (Hz)Wavelength Rangeradio waves< 3*1011> 1 mm
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Red light has a wavelength of ~700 nm, and a frequency of ~4.3*1014 Hz. Visible light makes up just a small part of the full electromagnetic spectrum.
...
The EM spectrum.
Type of RadiationFrequencyRange (Hz)Wavelength Rangeradio waves< 3*1011> 1 mm