Figure 33-32 shows four long Air horizontal layers A - D
Chapter , Problem 9(choose chapter or problem)
Figure 33-32 shows four long Air horizontal layers A - D of different X A /' 1.3 materials, with air above and be- ..,--------- 1.5 B 1.4 c 1.3 D Air low them. The index of refraction of each material is given. Rays of light are sent into the left end of each layer as shown. In which layer is there the possibility of totally trapping the light in that Fig.33-32 Question 9. layer so that, after many reflections, all the light reaches the right end of the layer?
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