Why does white light entering a prism leave a rainbow?
When light hits the prism at an angle θ₀, the exiting angle is given by sinθ = sinθ₀ /𝑛
Different colors have different 𝑛 (in glass)
So each color will exit the prism with a slightly different angle θpic.twitter.com/yIsrbkk76p
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Replying to @GIFShinobi
Good idea! I'll do that in a bit!
2:06 PM - 19 Jun 2019
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