How does the nature of radio waves allow a radio telescope to use a wire mesh surface? Would you expect millimetre-wavelength telescopes to need smoother surfaces than typical radio dishes? Why or why not?

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The Answer of How does the nature of radio waves allow a radio telescope to use a wire mesh surface? Would you expect millimetre-wavelength telescopes to need smoother surfaces than typical radio dishes? Why or why not?

How Does the Nature of Radio Waves Allow a Radio