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]
11.23: A string, clan /z/ j;p mrf;pii)e-+)wh4rmpio. hfmped at both ends, has its tensi- pl2m hk(ho+yon fixed. A wave generator vibrates the string with hkmo y+(l-2ph a frequency $f$ producing waves of wavelength $\lambda$ which have speed v. The frequency of the wave generator now is doubled to $2f$. Which one of the following choices best describes the new values of the wavelength of waves produced and the speed of the waves on the string？
A. Wavelength is $0.5\lambda$,Wave Speed is v
B. Wavelength is $0.5\lambda$,Wave Speed is 2v
C. Wavelength is $\lambda$,Wave Speed is 2v
D. Wavelength is $\lambda$,Wave Speed is v
E. Wavelength is $2\lambda$,Wave Speed is 4v
参考答案: A
本题详细解析:
暂无
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