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範例:波速與反射[94學測]

海水中聲速約1500 公尺/秒。潛艇每隔10 秒發出一個聲波脈衝， 探測海底。若偵測到的聲波( 包含發射波與反射波) 強度隨時間變化如圖11， 則潛艇距離海底約是多少公尺？(A)1500 (B)3000(C)4500 (D)9000(E)15000。[94學測]

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Posted in 歷屆學測(推甄)考題, 波的性質.

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By 張慶堂 – 2015 年 01 月 08 日

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