Why is radio communication impossible by radiation and reception of electromagnetic waves of sound frequency?
August 30, 2020 | Education|
The peculiarity of the transmission of speech and music, i.e., oscillations of the sound frequency, is that it is impossible to transmit them directly, even by amplifying them, since the frequency of the oscillations is small and electromagnetic waves of such a frequency are not emitted.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.