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 distao 7fyh*pt2s42a+we8krx w mx ;nce from a sound source that is radiating equv+zh-, w7o hvrally in all directions. What happens ho7w +zrh,vv- to the intensity of the sound? It reduces to
A. one-half its original value.
B. one-fourth its original value.
C. one-sixteenth its original value.
D. none of the above
参考答案: B
本题详细解析:
暂无
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