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範例:一維波的反射[80日大]

一弦左端固定,右端可自由上下滑動。在t=0時,一波向右行進如(甲)圖所示。則t>0以後,由於波在兩端點的反射,下列(乙)、(丙)及(丁)各波形首次出現的先後順序為: (A)(乙)(丙)(丁) (B)(乙)(丁(丙)) (C)(丙)(乙) (丁)(D)(丙)(丁)(乙) (E)(丁)(乙)(丙)。

【80日大】 [詳解]

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Posted in 歷屆物理考題, 繩波的反射與透射.

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By admin – 2009 年 09 月 23 日

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