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 IB物理学

[填空题]
A satellite dish is about 0.5 m in diameter. According to the usxi1 u: u od)c .pemnq2zx0l6d6er’s toh3le )d/)h7h/ cqtimanual, the dish has to be pointed in the d3)h )tle co/ qd7hthi/irection of 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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