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 distfq/ +6 s9cf0zhro2bdm ance from a sxpcr-b*f ) m.found source that is radiating equally in all directions. What happens to the intensity of the sound? It rebxfm.* fp)-cr duces 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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