本题目来源于试卷: ------the Beat，类别为 美国物理杯赛(Physics Bowl)
[单选题]
01.32: One stereo loudspeaker produvwlj 9-4 3fj-jsxnr;oces sound w f cjm,,ihjxpklg x - .e+hcg,ha/-2x*ith a wavelength of 0.68 meters while the other speaker produces sound with a wavelength of 0.65 meters. What would be thexgl2c/ -j xam f*hhpg i+j h,e,,x.ck- resulting beat frequency?
A. 3 Hz
B. 23 Hz
C. 66.5 Hz
D. 500 Hz
E. 11,333 Hz
参考答案: B
本题详细解析:
暂无
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