In the ray diagram of the below figure, where the angles are not drawn to scale, the ray is incident at the critical ang

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In The Ray Diagram Of The Below Figure Where The Angles Are Not Drawn To Scale The Ray Is Incident At The Critical Ang 1 (76.49 KiB) Viewed 56 times

In the ray diagram of the below figure, where the angles are not drawn to scale, the ray is incident at the critical angle on the interface between materials 2 and 3. Angle 0 = 60.0°, and two of the indexes of refraction are n = 1.70 and n2 = 1.60. Find (a) index of refraction ng and (b) angle 0. (C) If is decreased, does light refract into material 3? ng ng ni