Physics, 03.04.2020 02:02 holamigosss

4) What is the critical angle for a light ray traveling in water with a refractive index of 1.33 that is incident on the Surface of water above which air is with a refractive index of 1.00?

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4) What is the critical angle for a light ray traveling in water with a refractive index of 1.33 tha...