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]
04.49: A uniform string cl/xujv (/m ,a;ljpt s6hs iq)e4amped at both ends is vi/qt z 6j ;fmb 7q,/an7rsukrc w4:c;nxbrated at constant frequency f. Initially, its vibration forms a standing wave with three antinodes. The tension in the string is gradually increased until the next standing wave mode appears. By whm /cb ;rn4f6us7x wtq acj/q7,kn rz;:at factor has the tension in the string changed? Assume that the string maintains the same dimensions throughout the tightening
A. 4/3
B. 3/2
C. 16/8
D. 2
E. 9/4
参考答案: E
本题详细解析:
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