(Answered) A sound wave with a frequency ofnbsp125nbspkhz emerges

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A sound wave with a frequency of 12.5 kHz emerges through a circular opening that has a diameter of 0.194 m. Find the diffraction angle Î¸ when the sound travels (a) in air and (b) in water. (Note: The speed of sound in air is 343 m/s and the speed of sound in water is 1482 m/s.)

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