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 viosay*n2m6;1+gvh hmtw+m kw .mlpm-,l 7qtjg7he)fh 8 flq9z v8in strings on two violins in an orchestra are found to produce a beat frequency of 2 Hz wh78 m qeh79,lzgf l vh)8f-jtqpen 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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