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Gaokao Physics Practice Question

介质中有一列简谐机械波传播, 对于其中某个振动质点,

  1. A.它的振动速度等于波的传播速度
  2. B.它的振动方向一定垂直于波的传播方向
  3. C.它在一个周期内走过的路程等于一个波长
  4. D.它的振动频率等于波源的振动频率

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