Estimate the critical angle for total internal reflection

Reference no: EM13547222

A light ray is traveling toward an interface between sapphire, n= 1.76, and water, n= 1.33. What is the critical angle for total internal reflection and which direction is the ray traveling for the total internal reflection to occur, from the sapphire to the water or from the water to the sapphire?

Reference no: EM13547222

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