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Gaokao Physics Practice Question

船上的人和水下的潜水员都能听见轮船的鸣笛声。声波在空气中和在水中传播时的( )

  1. A.波速和波长均不同
  2. B.频率和波速均不同
  3. C.波长和周期均不同
  4. D.周期和频率均不同

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