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 :phr cr* s+1zfnd8bd;( vm s)hwith no z hgws9*+ tnc,s:gdbhvz9 r) 9valves) is similar to an pipe open at both ends. A musician plans to create a fundamental frequency hn )*,gvzchw +zg:9 tbrs9sd9of 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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