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範例:弦上橫波與駐波[92指考預試題]

圖為三段密度不同的繩索串接在一起，產生駐波，但圖中振幅不代表實際振幅大小。若此三段繩長比為L1:L2:L3=1:2:4，則此三段繩密度比μ1 : μ2:μ3為下列何者？(A)1：16：4 (B) 1：4：16 (C)16：4：1 (D) 4：16：1。[92大考中心]

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Posted in 指考模擬試題, 指考預試卷, 駐波.

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By admin – 2009 年 10 月 05 日

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