Upward rays of light in water toward the water–air
Chapter 30, Problem 102TAD(choose chapter or problem)
Rays of light moving upward through water toward the water–air boundary at angles larger than \(48^{\circ}\) to the normal are totally reflected. No rays larger than \(48^{\circ}\) refract outside. How about the reverse? Is there an angle at which light rays in air meeting the air–water boundary will totally reflect? Or will some light be refracted at all angles?
Text Transcription:
48^circ
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