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 vi-tn-.iyqcc+ e -otv ;a8pgust2ol;,lol3 mt)1aaf+z nyfh8-nojtri -6 in strings on two violins in an orchestra are found to producmt8r1f i t-a-z j)+onhf6y 3nae 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 same 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
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