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 aircj .h*i rjk5kebb2 6/k-revwn) jc5s-0 ,d mtt open at only one end is vibrating in the 5th-harmonic from a tuning fork of frequency 120 Hz placed at the open end. If this tube of air were to vibrate at its fundamental frc-nmrs0 5), dt-wtjev equency, 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
|