本题目来源于试卷: Stationary wave on string，类别为 美国物理杯赛(Physics Bowl)
[单选题]
94.19: A string is firmly attach3zzhc/2twhn ue138nngm.j) z ed at both ends. When a frequency of 60 H7ospv9radgrd6uo-2 l7pn .t)z is applied, the string vibrates in the standing w9urnr7.dops ) -27opltd 6vagave pattern shown to the right. Assume the tension in the string and its mass per unit length do not change. Which of the following frequencies could NOT also produce a standing wave pattern in the string?
A. 30 Hz
B. 40 Hz
C. 80 Hz
D. 100 Hz
E. 180 Hz
参考答案: A
本题详细解析:
暂无
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