SoundSoundSoundSound (id: dd906b72b)

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

[填空题]
What is the intensity of a sound 1ji/ug3i5efpue s5-z at the pain level of 120 dB? ;s;: c jydp*x*5cftxfxsy7u ,   W/$m^2$Compare it to that of a whisper at 20 dB.    $ \times10^{-10 }$W/$m^2$

参考答案:
空格1: 1±2%  空格2: 1±2% 


本题详细解析:

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