gc textbook chapter 12 Sound (id: 7b805c64f)

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]
A person standing a certain dist. h2u:2i5oihn qldd (nance 4tbqk; xh.u1 cfrom an airplane with four equally noisy jet engines is experiencing a sound level bordering on pain, 120 dB. What sound level would this person exp.u;xthb41 qkcerience if the captain shut down all but one engine? [Hint: Add intensities, not dB’s.]    dB

参考答案: 114±2%


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