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]
96.03: If the frequency of sound ir5b)t a6.lp8- zlzu 3riig,h vs by5lmix xcr3l8nj, 7(doubled, the wavelength:
A. halves and the speed remains unchanged.
B. doubles and the speed remains unchanged.
C. is unchanged and the speed doubles.
D. is unchanged and the speed halves.
E. the wavelength halves and the speed halves.
参考答案: A
本题详细解析:
暂无
| 
