when a ray of light travels perpendicular to the surface of separation of the two mediums,there is________(maximum/no)refraction
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Answer:
No refraction
Explanation:
As it bends normally, therefore no refraction is observed.
Example:
At sunrise and sunset the sun is near the horizon. The rays of light from upper & lower part of the periphery of the sun bend unequally on travelling through earth’s atmosphere. That is why sun appear oval or flattened at sunrise and sunset.
At noon sun is overhead. The rays of light from the sun enter earth’s atmosphere normally. Therefore they suffer no refraction or bending on passing through.
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