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範例:都卜勒效應與反射器[89日大]

觀察者攜帶一聲波波源，以20公尺/秒的速率接近一靜止之光滑反射面。若此波源發出之聲波頻率為1600赫，當時之聲速為340公尺/秒，則在觀察者測得自反射面所反射之聲波，其頻率為多少赫?[89日大]


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Posted in 歷屆物理考題, 都卜勒效應.

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By admin – 2009 年 10 月 09 日

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