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]
The graph below was produ u zi0+3scxr m7ce by a microphone in fro k,a 8f disxk7 c mx78+(zw.issnt of a tuning fork. It shows the voltage .s7x+w , fdiz8 xm(8 skick7as
produced from the microphone as a function of time.
04.19: In order to calculate the speed of sound from the graph, you would also need to know
A. pitch
B. volume
C. frequency
D. wavelength
E. length of tube
参考答案: D
本题详细解析:
暂无
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