Physics Unit12: Sound (id: 2ff2a721f)

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

[单选题]
For spherically diverging waves, (p :j 3a:fstmjintensity is proportiyu6qc/o6 /tnt 7c 8wquonal to

A. $R^2$
B. $R$
C. $1/R$
D. $1/R^2$


参考答案:  D


本题详细解析: 暂无

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