本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 通用国际物理
[单选题]
A wave moves on a string 8rg,wey7uv)l with wave8d p /wbexa44jp3 3hu6;rz wcglength l and frequency f. A second wave on the same string has wavelength 2l and travels with the same velocity. What is the frequg/za6c re3xp ;u8 j43wh4wdbpency of the second wave?
A. $0.5 \; f$
B. $f$
C. $2 \; f$
D. It cannot be determined from the information given.
参考答案: A
本题详细解析:
暂无
| 
