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]
08.27: A tube of lengb1)5 4dwa,ui: kt5 leobtrqr9thbqnb./ 3k+grzng/s-v $L_1$ is open at both ends. A second tube of length $L_2$ is closed at one end and open at the other end. This second tube resonates at the same fundamental frequency as the first tube. What is the value of $L_2$ ?
A. 4$L_1$
B. 2$L_1$
C. $L_1$
D. $\frac{1}{2}L_1$
E. $\frac{1}{4}L_1$
参考答案: D
本题详细解析:
暂无
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