Задача id13657

Radio emission from a cosmic source of wavelength l, having an angular size y, is received by a horizontal vibrator serving as an antenna. The vibrator is located on a steep bank at a height h above sea level. Considering the surface of the water as a flat mirror, determine how the intensity of the received signal will change depending on the angle a of the source’s elevation above the horizon. At what values of the angular size of the source will the intensity of the received signal not depend on a? For simple

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