A light ray is incident at 45° on a glass block immersed inside a liquid of refractive index nį = 1.33 as shown in the figure below. In this configuration, the refractive ray skims the bottom surface. Determine the refractive index of the glass, ng. ng 45° O 1.66 O 1.55 O 1.69 O 1.49 O 1.63 O 1.58
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