You sight along the rim of a glass with vertical sides so that the top rim is lined up with the opposite edge of the bottom (Fig. 33.48a). The glass is a thin-walled, hollow cylinder 16.0cm high with a top and bottom of the glass diameter of 8.0cm. While you keep your eye in the same position, a friend fills the glass with a transparent liquid, and you then see a dime that is lying at the center of the bottom of the glass (Fig. 33.48b). What is the index of refraction of theliquid?

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16.0 cm 8.0 cm (b)