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 b 6fbcj +utwp eng)olm*8*n -+pr 5/iot1q)gaor hn- *sqoduce by a microphone in front of a tuning fork. It shows the voltag hnstqo*/1gqa-o r ) i5e
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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