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]
06.29: Two separate strings of the same thickness arl 7mzz7e8l.dm e str:t pgb4r1 k1shacj3y(etched so that they experience the same tension. String B is twice as dense as String A. String A, of length L, is vibrated at the fundamesbp : ycgt1(41ark3hjntal frequency. How long is String B if it has the same fundamental frequency as String A?
A. $\frac{L}{2}$
B. $\frac{L}{\sqrt{2}}$
C. is L
D. $\sqrt{2}L$
E. 2L
参考答案: B
本题详细解析:
暂无
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