Physics Unit12: Sound (id: f8b2f96ed)

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

[单选题]
You double your distance from a sound6zmo6 hb we bd;afy8)6 sr8.xamc i fqpxhbe9cp(l*n ;h ,bq8+*ource that is radiating equally in all directions. What happens to the intensity level of the sounf i(bmq pxq al9.*phc,r n8*+ehxb;c 8d? 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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