2) A 10.0-Hz water wave travels from deep water, where its speed is 38.0 cm/s, to shallow water, where its speed is 28.0 cm/s and 8₁ = 30°. Find a. the index of refraction. b. he wavelengths in the two media. c. the angle of refraction in the shallow water. (1.36) (3.8cm, 2.8cm) (21.6%)
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