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]
07.44: A person vibrates t9l gh xq3kci3 9r-7ssz8(btp nusw,c(he end of a string sending transverse waves down the strki37zb9 psls 3ucn(gx ,9-ch 8wq s(r.-)7f vz +ys;szvkj utring. If the person then doubl s) r .vfsuzjkz-+vy;7es the rate at which he vibrates the string, the speed of the waves
A. doubles and the wavelength is unchanged
B. doubles and the wavelength doubled
C. doubles while the wavelength is halved
D. is unchanged while the wavelength is doubled
E. is unchanged while the wavelength is halved.
参考答案: E
本题详细解析:
暂无
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