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 rq .r04j;kit uwith wavel f5y9 a2wywofwl 8i4a1urnu3-ength l and frequency f. A second wave on the same string has wavelength 2l and travels with the sau iyounf3ylww fa24 1-a8r59wme velocity. What is the frequency 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
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