問題詳情
5. 如附圖所示，將一揚聲器置於一管狀物的一端開口處，連續改變揚聲器發出的聲頻，發現當頻率為400 Hz、500 Hz、及600 Hz時都會產生共鳴。關於此管狀物的敘述，下列何者可能為正確？ 
(A)一端為閉口，基頻為100 Hz
(B)另一端為閉口，基頻為200 Hz
(C)另一端為開口，基頻為100 Hz
(D)另一端為開口，基頻為200 Hz
(E)另一端可以為開口，也可以為閉口
(A)一端為閉口，基頻為100 Hz
(B)另一端為閉口，基頻為200 Hz
(C)另一端為開口，基頻為100 Hz
(D)另一端為開口，基頻為200 Hz
(E)另一端可以為開口，也可以為閉口
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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