A ray of light travelling in air incident on the surface of a transparent medium at an angle of 45 degree with the surface . if bends by 15 degree form its path after reflection. find the refractive index of the medium.
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A ray of light travelling in air incident on the surface of a transparent medium at an angle of 45 degree with the surface . if bends by 15 degree form its path after reflection. find the refractive index of the medium.
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Answer:
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Answer:
answer is √2
Explanation:
n (refractve index ) = sin i / sin r
sin i = sin 45
sin r = sin30
n = 1 / √2 ÷1/2
n = 2 ÷ √2
n = √2