Physics Unit11: Vibrations and Waves (id: 084917af1)

本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 国际高中通用物理

[单选题]
For a periodic proces -y9v1qogp6zns, the number of cycles per unit time is called thb0b*z,my s -uje

A. amplitude.
B. wavelength.
C. frequency.
D. period.


参考答案:  C


本题详细解析: 暂无

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