A light ray enters a solid glass sphere of refractive index μ=3 at an angle of incidence 600. The ray is both reflected and refracted at the farther surface of the sphere. The angle (in degrees) between the reflected and refracted rays at this surface is _______

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Detailed Solution

At A: 1.sin600=3sinr ⇒r=300At B: 3.sinr=1.sini⇒i=600 So angle between reflected ray & refracted ray at B=900

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