Question:
144 Light ray is incident at an angle of 60 on face of a
Last updated: 6/14/2023
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144 Light ray is incident at an angle of 60 on face of a rectangular prism of refractive angle 90 If light ray grazes the second face then the refractive index of material of prism is 1 3 325 2 2 2 7 2 4