Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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The length of a single cycle of a wave.

The length of a single cycle of a wave, as measured by the distance between one peak or trough of a wave and the next. For light, a particular color's wavelength can be determined by the speed of light divided by it's frequency.

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