Fill in the blank.
A rainbow is caused due to the __________ of white light.

dispersion

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refraction

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propagation

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intensity

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Solution

The correct options are
A dispersion
B refraction
A rainbow is an example of meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured arc caused by sunlight, always appear in the section of sky directly opposite the Sun.

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