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108國中自然2上B3_3-2

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10 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt
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    如附圖所示,週期波的週期為4秒,則A點的波動向右傳到B點需要幾秒?
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  • 2. Multiple Choice
    2 minutes
    1 pt
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    小蛋在一彈簧下方放了一把尺,振動彈簧產生縱波,以相機拍照得到如附圖之照片,請估計該彈簧波的波長為多少公分?
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  • 3. Multiple Choice
    2 minutes
    1 pt
    琦貞利用電動振動器對繩子每秒振盪4次以產生繩波,則繩波上任一點每秒鐘左右振動幾次?
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