A rainbow forms when sunlight is refracted twice, first when entering a raindrop and then when exiting it, and reflected once within the drop. Sunlight enters a raindrop on the side of the drop facing ...
What Are the Colours of the Rainbow? Colours Of The Rainbow: Rainbows have seven colours in total. The colours of the rainbow always appear in the same order: Red, Orange, Yellow, Green, Blue, Indigo, ...
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