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 clampedhkf01( mr.x ew 69vzup )tarmdr4)xik 0a9 sp*a87fg tgv()lsat both ends is vibrated at constant frequency f. Initially, its vibration forms a standing wave with three antinode xa*t gdi9g0m)v4rs 78sf(ata )rl)kp s. The tension in the string is gradually increased until the next standing wave mode appears. By what 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:
暂无
| 
