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| 1. |
A ray of light traveling in glass (mu_g= 3//2) is incident on a horizontal glass-air surface at the critical angle theta_c . If a thin layer of water (mu_w = 4//3) is now poured on the glass-air surface, at what angle will the ray of light emerges into water at glass-water surface? |
| Answer» SOLUTION :`SIN^(-1) (3//4)` | |