Physics Unit12: Sound (id: f8b2f96ed)

本题目来源于试卷: Physics Unit12: Sound，类别为 国际高中通用物理

[单选题]
You double your distance from a sound source that is radia-ul: sl clp6(1yg4z hu(:zkcpting equally dg:nyt:4x c-y in all directions. What h txd: y:gnyc-4appens to the intensity level of the sound? It drops by

A. 2 dB
B. 3 dB
C. 6 dB
D. 8 dB


参考答案:  C


本题详细解析: 暂无

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