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प्रश्न
Which of the following is not involved in formation of a rainbow?
पर्याय
refraction
angular dispersion
angular deviation
total internal reflection
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उत्तर
Angular deviation
Explanation:
A rainbow is created when raindrops that are suspended in the air scatter sunlight. We perceive a rainbow because of the way light refracts when it enters a raindrop, total internal reflection from the rear of the droplet surface, and further refracted out in the atmosphere. So all the given processes, i.e., total internal reflection, refraction, and dispersion, take place in the rainbow formation. Angular deviation of light doesn't occur in the formation of a rainbow.
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संबंधित प्रश्न
The diagram below shows a point source P inside a water container. Four rays A, B, C, D starting from the source P, are shown up to the water surface.
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- Name the phenomenon which the rays B and D exhibit.
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Answer the following question.
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Find the value of θ in the given figure.
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