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A light ray is travelling from Region 1 to 4 as shown in the figure. The refractive index of the regions are also mentioned there. The angle of incidence θ for which the beam just missess entering region 4 is : |
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Answer» A light ray is travelling from Region 1 to 4 as shown in the figure. The refractive index of the regions are also mentioned there. The angle of incidence θ for which the beam just missess entering region 4 is : |
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