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A question about...rainbows

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zhangm    1,338

I'm not sure why, but every once in a while, I wonder about this.


We're all used to rainbows made by water droplets. Would rainbows look different if the droplets were made of something different, like glycerol, or dimethylsulfoxide? Are there any liquids that have a refractive index vs wavelength curve that would make the colors drastically different from water?

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Jim K    13,960

I would think that all else being equal (since the appearance of a rainbow is based on many factors) that regardless of liquid the color order would remain the same (red outside/blue inside) ... just the size of the rainbow band would differ based on the refractive index of the liquid/molecule the light is passing through.

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