gc textbook chapter 12 Sound (id: b4558e681)

本题目来源于试卷: gc textbook chapter 12 Sound，类别为 通用国际物理

[填空题]
A person hears a pure tone in the 50q5dv /2ptl/qq l+ c07m4odidfbq*6h u0shulc5e sz w)(z2 /kh(qm* fc d;*/mhx–1000-Hz range coming from two sources. The sound is loudest at points equidistant from the two sources. To determine exactly what the frequency is, the person moves about and finds that the sound level is minimal at a po(secfqkl; wh2s*chuz) zd5/hx */ m(mint 0.34 m farther from one source than the other. What is the frequency of the sound?   Hz

参考答案: 504±2%


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