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]
94.06: Which of the fo7 a;08wkgaa wqt /u0h6lpnyw 9llowing st5 ch:je+;cqli atements about the speed of waves on a string arjc+ :h;c5e qile true?
I. The speed depends on the tension in the string.
II. The speed depends on the frequency.
III. The speed depends on the mass per unit length of the string.
A. II only
B. I & II only
C. I & III only
D. II & III only
E. I, II, & III
参考答案: C
本题详细解析:
暂无
|