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動畫:駐波Standing wave(3)–自由端的反射

此動畫,用以說明入射的週期波與經自由端反射的反射波合成的駐波情形. 可試著調整不同的頻率(波長)找到滿足兩端都是自由端(腹點)時駐波基頻,第一泛音,第二泛音…等駐波模式的情形. 也可用以說明一端固定,一端自由的駐波的駐波模式. P.S.此螢幕上波動的振動頻率乃模擬值.(波速固定為800m/s;繩長4m) 藍色(實線)入射波,虛線為假想不經反射時入射波的行進。 綠色波為經端點反射的反射波紅色波為入射波與反射波相遇時的合成波。

<<<若動畫檔案無法撥放,請下載 flash player 並依指示安裝.>>>

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Posted in 波動力學, 駐波.

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22 Responses

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  1. 曾主豪 says

    謝謝版主做了這麼多的動畫 對我學習物理給了莫大的幫助 也提升了對物理的興趣 但是有幾篇動畫點進去都看不到(包括這篇) 不知道是否是因為失連了呢

    • 張慶堂 says

      主豪您好!
      謝謝您的留言與回饋!
      此文章(動畫)我目前查看都正常,您再試試看!
      若仍失連,試更新flash player看看。

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  19. twofishnochang1 says

    謝謝 剛好今天看到一題正搞不懂 為何自由端反射的駐波
    第一節點是1/4波長

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