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22. A typical diamond is cut as shown in Figure P18.22. A ray of light has entered the flat window at the top of

22. A typical diamond is cut as shown in Figure P18.22. A ray of light has entered the flat window at the top of the diamond per- pendicular to the surface, as shown in the figure. Analyze the path of the ray for the next two interactions with the surfaces of the dinmond. FIGURE P18.22

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