Question

why rainbow appears curved in the sky? ​

Answer 1

Answer:

If we draw rays of sunlight that reflect at 42 degrees into your eyes then those rays start to look like they form a circular arc in the sky. So the reflection gives you the shape of the rainbow, while the refraction gives you the colours of the rainbow. From the air you can see circular rainbow.

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Answer 2

Answer:

Hello......!!!

Explanation:

To see a rainbow, you need to be looking at light rain with the sun behind you. The rainbow is curved as it reflects the round shape of the sun. It is a semicircle because only half of your field of vision is the air (the other half is the Earth). ... Rainbows are circular because raindrops are spherical.