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範例:聲波的駐波

由兩端皆開啟的管子一端管口吹氣,使之發出聲音。下列敘述何者正確?(A)兩開口皆應為波節 (B)管長必為所發出聲波半波長的整數倍 (C)最低頻率為v/L,其中v為波速,L為管長 (D)若將管子一端封閉,則基頻增大一倍。【80三專】

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Posted in 聲音的駐波.

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By admin – 2009 年 10 月 07 日

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