Electromagnetic spectrum HTML5
Here is an overview of the electromagnetic spectrum. There are different types of graphics shown: emitting devices, receiving devices or simple illustrative symbols.
Since electromagnetic waves propagate at a constant speed (speed of light), the frequency and the wavelength remain in a constant ratio.
Click and drag the ruler to shift it horizontally
- To have an overview of the whole electromagnetic spectrum.
- To make the link between wavelength and frequency.
An electromagnetic wave is characterized by its frequency, f (expressed in Hertz) or, its wavelength, λ (expressed in meters). It travels in a vacuum at the speed of light, c = 300,000…
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