Two plane mirror which are perpendicular are forming two sides of a vessel filled with liquid of refractive index = 1.5. After all possible refraction & reflection, find the deviation ( δ ) in ray-
Text Solution
Verified by ExpertsThe correct answer is:
B
θ 2 + θ 3 + 135 0 = 180 0 θ 3 = 45
0 – θ 2
θ 3 + θ 4 = 90 0 45 – θ 2 + θ 4 = 90º
θ 4 = 45 + θ 2
90
0 – θ 4 + θ 5 + 135 0 = 180 0 45º – θ 2 + θ 5 + 135º = 180º
θ 5 = θ 2
θ 6 = θ 1 (By Snell law)
∴ δ = 180º
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