I already know the answer to this practice problem, and it is shown is the image. I do not know how to get to the answer though, so seeing the steps and equations would be much appreciated. The laws of refraction and reflection are the same for sound as for light. The speed of sound in air is 340 m/s and in water it is 1510 m/s. If a sound wave approaches a plane water surface at an angleof incidence of 12.0°, what is the angle of refraction?ANS:67.4°

Answered: Image /qna-images/answer/7eac6d98-613c-46c8-b84c-dd2cc249e328.jpg

Answered: The laws of refraction and reflection…

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The laws of refraction and reflection are the same for sound as for light. The speed of sound in air is 340 m/s and in water it is 1510 m/s. If a sound wave approaches a plane water surface at an angle of incidence of 12.0°, what is the angle of refraction? ANS: 67.4°