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A ray of light falls upon the surface of water in a tank, making an angle of 60° with the surface.Make a diagram showing the path of ray, if thewater is 3 cm deep. Measure the angle of refraction.4Refractive index of water is4R3. |
| Answer» USING Snell's LAW :μ 1 sin i=μ 2 sin r1×sin60 ∘ =1.5×sin rr=35 ∘ 15 ′ And V glass = μc = 1.53×10 8 m/s=2×10 8 m/s | |