When a flat slab of transparent material is placed under water, the critical angle for light traveling from the slab into water is found to be 60°. what will the critical angle be if the slab is surrounded by air? take the index of refraction for water to be 1.33. d) 45.6 c) 44.2 e) 47.3 a) 40.6 b) 42.5
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When a flat slab of transparent material is placed under water, the critical angle for light traveli...
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