Physics Unit12: Sound (id: 0087cf99a)

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

[单选题]
Compared to the velorww:)3oy mr r edvg654city of a 4 o4dka2pd:cs,fd 9hz p3.: srp00 Hz sound, the velocity of a 200 Hz sound through p29rpddp a fz:,h4:. 3csoksd air is

A. twice as great.
B. the same.
C. one-half as great.
D. none of the above


参考答案:  B


本题详细解析: 暂无

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