Image: Supernumerary-rainbows-jb
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Description: The primary rainbow, the higher order rainbows with alternatively reversed order of colors and Alexander's dark band are well understood with refraction, reflection and caustics. The explanation of the supernumerary rainbows lies beyond geometric optics. Within physical optics, the wave nature of light causes areas of constructive and destructive interference.
Title: Supernumerary-rainbows-jb
Credit: Own work
Author: Johannes Bahrdt
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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