gc textbook chapter 12 Sound (id: 94b3b73fc)

本题目来源于试卷: gc textbook chapter 12 Sound，类别为 通用国际物理

[填空题]
How many overtones are present within the audible range for o :f8r - p(bdh7d,b) + u5(hiszxw5- gwgqqbfma 2.14-m-long orgyhesvn: hve8 h6j7rf+o *4ds53. k eckan pipe at 20 r6 5*knheo7ekhyf.3dev48s :c js+vh $^{\circ} $ C
(a) if it is open,   
(b) if it is closed?   

参考答案:
空格1: 248±2%  空格2: 249±2% 


本题详细解析:

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