Physics Unit12: Sound (id: 86cb35a82)

本题目来源于试卷: Physics Unit12: Sound，类别为 通用国际物理

[单选题]
What is the ratio of tq7h wzu3cq(nv2bz k:2i9 d3gy-dyh) 3aufr4 t( :mfhxhe intensities of two sounds with intensity levels of 70 dB a uh:r34mty( afh )dfx-nd 40 dB?

A. 10:1
B. 100:1
C. 1000:1
D. 10,000:1


参考答案:  C


本题详细解析: 暂无

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