Science
Junior High
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求解,謝謝🙏
柯南在一湖泊中央用探針接觸水面,每秒產生4個水波
紋,如圖所示,他測量水波從產生開始傳遞至岸邊共花
40秒,則此水波的波長為多少公分?
2m/s
80 公尺
岸邊
(B)50公分
(A)25公分
(C)100公分
(D)200公分
4/3
v=fλ
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