How is rainbow formed ?
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Answer:
Rainbow is composite form of an electromagnetic spectrum.which forms by dispersion of light and a fickle thing over here is if we have other medium to send these colours we can obtain white light
Explanation:
If we have medium we should send it by same angle as 1st one.This depends on Newton law of reversibility !!!
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Answer:A rainbow is a natural spectrum appearing in the sky after a rain shower. It is caused by dispersion of light by tiny water droplets present in the atmosphere. A rainbow always formed in a direction opposite to that of sun . The Water droplets acts like Small prisms. They retract and disperse the incident sunlight, then reflect internally and finally refract it again when it comes out of the rain drop.
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