Question: A satellite dish is about 0.5m in diameter. According to the users manual, the dish has to be pointed in the direction of the satellite,

A satellite dish is about 0.5m in diameter. According to the user’s manual, the dish has to be pointed in the direction of the satellite, but an error of about 2o is allowed without loss of reception. Estimate the wave-length of the electromagnetic waves received by the dish.

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