Physics, 15.11.2019 05:31 QueenZenobia
Aplane sound wave in air at 20°c, with wavelength 589 mm, is incident on a smooth surface of water at 25°c at an angle of incidence of 11.7°.
(a) determine the angle of refraction for the sound wave.
(b) determine the wavelength of the sound in water.
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a narrow beam of sodium yellow light, with wavelength 589 nm in vacuum, is incident from air onto a smooth water surface at an angle of incidence of 11.7°.
(c) determine the angle of refraction.
(d) determine the wavelength of the light in water.
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