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stationary wave in tube (id: 672dab6ba)

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admin 发表于 2024-8-3 22:35:39 | 显示全部楼层 |阅读模式
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 lengmp zykly 775c+(kwa1gt :k iv5p ,(r3ofjett 4h+qhw3yh $L_1$ 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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