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]
A natural horn (trumpet with no3-z t+xox/7vh/hiimzqt fc56 valves) is similar to an pipe open at t9rs*tzaz3c(4)6h j w/upbjy- a: i bqboth ends. A musician plans totcq (*rz/uwabzhyp4-6s a:) 3bjti 9j create a fundamental frequency of 256 Hz (middle C) using the horn.
00.33: If sound travels at 350 m/s, what must be the length of this horn?
A. 0.34 meters
B. 0.68 meters
C. 0.73 meters
D. 1.36 meters
E. 1.46 meters
参考答案: B
本题详细解析:
暂无
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