Wave Basic Concepts (id: 5a9b68ad8)

本题目来源于试卷: Wave Basic Concepts，类别为 美国物理杯赛(Physics Bowl)

[单选题]
95.04： A wave has a frequency of 50 Hz. The period oz .n31idg fp2rfepw,h ao my0+ y,iu5t4 the wave is:

A. 0.010s
B. 0.20s
C. 7.0 s
D. 20 s
E. 0.020 s


参考答案:  E


本题详细解析: 暂无

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