Exam 26: The Refraction of Light: Lenses and Optical Instruments

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A scuba diver shines a flashlight from beneath the surface of water (n = 1.33) such that the light strikes the water-air boundary with an angle of incidence of 37°.At what angle is the beam refracted?

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A physics student desires to create a beam of light that consists of parallel rays.Which one of the following arrangements would allow her to accomplish this task?

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