If a ray of light travels from air to water, then the constant (=SinrSini) is the refractive index of _______ with respect to ______.
A
Water, water
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B
Air, air
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C
Air, water
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D
Water, air
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Solution
The correct option is D Water, air By Snell’s law, if a ray of light travels from air to water, then the constant (=SinrSini) is the refractive index of water with respect to air.