If the refractive index of water is 1.33, what is the critical angle for a water-air boundary? - SchoolNGR

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If the refractive index of water is 1.33, what is the critical angle for a water-air ...

If the refractive index of water is 1.33, what is the critical angle for a water-air boundary?

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A 36.0 °
B 40.2 °
C 41.8 °
D 48.8 °
E 62.7 °

Correct Answer: Option D

Explanation:

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