The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day isa)diffractionb)interferencec)dispersiond)reflectionCorrect answer is option 'C'. Can you explain this answer?

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The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is

a)
diffraction
b)
interference
c)
dispersion
d)
reflection

Correct answer is option 'C'. Can you explain this answer?

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The optical phenomenon that is primarily responsible for the observat...

A rainbow is a natural spectrum appearing in the sky after a rain shower. It is caused by the dispersion of sunlight by tiny water droplets present in the atmosphere.
A rainbow is always formed in a direction opposite to that of the Sun. The water droplets act like small prisms.
They refract and disperse the incident sunlight, then reflect it internally, and finally refract it again when it comes out of the raindrops.

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The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day isa)diffractionb)interferencec)dispersiond)reflectionCorrect answer is option 'C'. Can you explain this answer?

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