本题目来源于试卷: stationary wave in tube,类别为 美国物理杯赛(Physics Bowl)
[单选题]
10.17: A tube of air open at only ok krcv+x:eo;, ne end is vibpvt3b2+q ac:ctxgx ) 3rating in the 5th-harmonic from a tuni+:a3 p3 tvx)tc xqg2cbng fork of frequency 120 Hz placed at the open end. If this tube of air were to vibrate at its fundamental frequency, what frequency tuning fork would be needed at the open end?
A. 24 Hz
B. 30 Hz
C. 40 Hz
D. 125 Hz
E. 600 Hz
参考答案: A
本题详细解析:
暂无
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