gc textbook chapter 11 Vibrations and Waves (id: f538574df)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 通用国际物理

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A satellite dish is ab r.0f vxr/ahq1*bj7lbout 8wyunlwx /bki:kz (-j:r uf.2r0mb u(0.5 m in diameter. According to the user’s manual, the dish has to be pointed in the direction ofkf y8 0 i2br:ulx./-z bu(wnm(w:kruj the satellite, but an error of about 2 $^{\circ} $ is allowed without loss of reception. Estimate the wavelength of the electromagnetic waves received by the dish.    m

参考答案: 0.01745±2%


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