How many gigahertz is visible?

Electromagnetic spectrum Type of waveFrequency rangeWavelength RangeRadio Waves300 GHz to as low as 3 kHz,1 millimeter to 100 kilometersMicrowaves(0.3 to 300) GHz1 mm to 1 mInfrared300 GHZ to 430 THzVisible Light(430–790 THz390 to 700 nmElectromagnetic spectrum – Art of Problem Solving artofproblemsolving.com › wiki › index.php › Electromagnetic_spectrum

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Do x-rays have a high wavelength?

X-rays have smaller wavelengths and therefore higher energy. We usually talk about X-rays in terms of their energy rather than wavelength. This is partially because X-rays have very small wavelengths! X-rays were first discovered in 1895 by Wilhelm Conrad Roentgen, a German scientist who found them quite by accident.

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