A rainbow is formed by the refraction and reflection of light.. The sunlight passes as a straight line so the refracted ray should also be straight... But why does a rainbow bends and forms concentric circles?
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This is due to angle of 42 to 40 degrees sometimes upto 50
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sumudha:
Rainbow is formed in concentric circles. They are formed above the ground or from inside the earth
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This is the light that forms rainbows. The amount light bends as it passes through the droplet depends on the light's wavelength, or color -- red light bends the most, orange and yellow slightly less, and so on, down to violet, which bends the least.this angles happens to be approx 42 degrees so that we standing in the ground can see the rainbow
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