本题目来源于试卷: Physics Unit12: Sound，类别为 通用国际物理
[单选题]
The corresponding violin strings on ekuk 1w756q5g e3btcstwo violins in an orchest2h+ rfpsz 2;;eertbd5 ra are found to produce a beat frequency of 2 Hz when a frequency of 660 Hz is played. What percentage change in the tension of one of the strings would bring them to the s;r dbrh;2pz 2ft5 +eesame frequency?
A. 0.2%
B. 0.4%
C. 0.6%
D. 0.8%
参考答案: C
本题详细解析:
暂无
| 
