gc textbook chapter 11 Vibrations and Waves (id: 6ccb9c0a2)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 通用国际物理

[填空题]
Water waves approach an underwater “sutargns/11u+t dw7c 1 helf” wherj1sy dcf1 v6f9z2nq8+tnc+xke the velocity changes from 2.8 m/s to 2.1 m/s If the incident wavef 6+dk1tq y82c1+ 9s cnfnxvjz crests make a 34$^{\circ} $ angle with the shelf, what will be the angle of refraction?    $^{\circ} $

参考答案: 25±2%


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