Physics Unit12: Sound (id: 4f95c3cf2)

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 wavelength of a 4qjmml6*p g h3-0pthf- 3i) *;xurd vjvj6egc.,0 Hz sound, the wavelength of a 200 Hz sound in air i3p,c6 ;r iu *jhxgfejv)dv-t.s

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


参考答案:  A


本题详细解析: 暂无

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