6класс стр 33 перевести что означает красный цвкт

Red color - region color in the long-wave part of the visible spectrum, corresponds to the minimum frequency of the electromagnetic field, perceived by the human eye. The range of red flowers in the spectrum is often defined wavelenght 620-740 nanometers, which corresponds to a frequency of 484-405 terahertz. Farthest limits of perception depends on a persons age.