A plastic rectangular solid has dimensions 2cm´8cm´10cm. If one places an eye at the center of the short edge one can see the opposite edge through one face but not through the other. What does this imply about the refractive index of the solid?
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A plastic rectangular solid has dimensions 2cm´8cm´10cm. If one places an eye at the center of the short edge one can see the opposite edge through one face but not through the other. What does this imply about the refractive index of the solid?
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