gc textbook chapter 12 Sound (id: c1d6e4fc7)

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]
What would be the sound level gaz qeadl5ra;.x( f/i x cx16((in dB) of a sounk 5art+fol l/ 8n cj2v2s0j9tkd wave in air that corresponds to a displacement amplitude of vibrating air molecules of 0.13 rkcltt j02osj5 lv /+ n9fka28mm at 300 Hz?    dB

参考答案: 130±2%


本题详细解析:

微信扫一扫，分享更方便