問題詳情
10.於水波槽中有二個點波源,相距 5.0cm,作振幅、相位、頻率皆相同的週期性振盪,所發出水面波波長同為 2cm,下列有關此二組水面波干涉的描述正確的是:
(A)於水波槽內總共有節線 8 條
(B)於二波源連線上共有 7 個波腹(腹點)
(C)中央線(二波源連線的中垂線)為腹線,任何時刻中央線上介質的振動位移絕不等於零
(D)最靠近兩波源之間中央線的節線上的點至兩波源的距離差為 1.0cm
(E)距中央線最遠的腹線上的點至兩波源的距離差為 3cm。
(A)於水波槽內總共有節線 8 條
(B)於二波源連線上共有 7 個波腹(腹點)
(C)中央線(二波源連線的中垂線)為腹線,任何時刻中央線上介質的振動位移絕不等於零
(D)最靠近兩波源之間中央線的節線上的點至兩波源的距離差為 1.0cm
(E)距中央線最遠的腹線上的點至兩波源的距離差為 3cm。
參考答案
答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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