SoundSoundSoundSound (id: 94b3b73fc)

本题目来源于试卷: SoundSoundSoundSound，类别为 IB物理学

[填空题]
How many overtones are present +sj ll-w77mnak8 jk0kwithin the a,w4va:p7 x)p f ,fhajvudible range for a 2.14-m-long organ fx7, ):ahfppav w,vj4pipe at 20 $^{\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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