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 folloguwgiou1+ztb f2k7 *8wi 5/x+tvy- kbr (lszp6ing statements about the speed of waves on a string are t 5ylzxskrp-(v +/it6 brue?
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
|