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MMLU / When a diver points a flashlight upward toward the surface of the water at an…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

When a diver points a flashlight upward toward the surface of the water at an angle 20° from the normal, the beam of light

choices

  1. totally internally reflects
  2. passes into the air above
  3. is absorbed
  4. None of these

subject

conceptual_physics

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Source and history

Official source

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