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stationary wave in tube (id: 0d37650d4)

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admin 发表于 2024-8-3 22:44:41 | 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]
15.18: A 680 Hz tuning fork is placed over a tu34f2gom )-jminobf7et47*ivdow gh 0x7 kfw sx/f.mx5hn)r -be open at both ends that is filled whnxfh40k-)v7r 7fsm*5x w.xt iow /dg ith air. As a result, a standing wave in the $3^{rd}$-harmonic is produced. The speed of sound in air is 340 m/s. What is the length of the tube?

A. 0.38 m
B. 0.67 m
C. 0.75 m
D. 1.33 m
E. 1.50 m


参考答案:  C


本题详细解析: 暂无

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