問題詳情
1. 竹蟬的竹筒部分愈長(其他條件不變)則發出的聲音如何？
(A) 頻率愈高
(B) 頻率愈低
(C) 響度愈低
(D) 與頻率高低無關
(A) 頻率愈高
(B) 頻率愈低
(C) 響度愈低
(D) 與頻率高低無關
參考答案
答案：B
難度：簡單0.820359
統計：A(20),B(274),C(5),D(13),E(0)
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