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 h8co;dy orr1aq mz;81 within the audible range for a 2.14-m-long orga9;- z: rj,jiwtmbpg2d n pipe at 2-dz w,bm9j 2tpj g;:ir0 $^{\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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