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 sound source tfqai9 lr fa-6xxz odx;.y(2j( hat is radiating equrb07ut..ksrsgh 1 /jo/b,j0/ tyz 8kaku h/lvally in all directions. kab ..1khlz b 0y /j8 ,ujtrvo70 ss/tg/kh/ruWhat happens 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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