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A 10-Hz water wave travels from deep water, where its speed is 40 cm/s, to shallow water, where its speed is 30 cm/s. The

A 10-Hz water wave travels from deep water, where its speed is 40 cm/s, to shallow water, where its speed is 30 cm/s. The angle of incidence is 30. a. Determine the wavelengths in the two media. [2 marks] b. Determine the angle of refraction in the shallow water. [1 mark]

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