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Why rainbow takes an curve shape in the sky ?why can take an straight shape

Answer» Jab 2 durke Bhai milte h tho aise hi baate karte h
Jai gurjar\'s bhai
Wah What a answer #naam ke hai
After dispersion all seven color have different speeds ..so.....
Because earth is spherical,so is its atmosphere.therefore as medium of refraction of light rays is curved ,after dispersion colours also spit in a curved shape


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