Do radio waves travel at the speed of sound, at the speed of light, or at some speed in between?

Elisabeth Wiley

Elisabeth Wiley

Answered question

2022-08-10

Do radio waves travel at the speed of sound, at the speed of light, or at some speed in between?

Answer & Explanation

wijnvatid

wijnvatid

Beginner2022-08-11Added 16 answers

We can assume that charges which are jiggling are forming an electric field, which as it starts jiggling like a wave forms a magnetic field, which is normal compared to the electric. These two combined create electromagnetic waves, which are the spectrum of radiation.
There are many different radiations which are not the same in their length of waves and frequency. As the spectrum progresses from radio waves, which have the longest lengths of waves and the shortest frequencies, to gamma rays which are the opposite, with the shortest lengths of waves and longest frequencies.
Radio waves compared to the sound are consisted in this spectrum, with the light which is only the small portion of the spectrum. The sound moves at a much lower speed compared to light. The equation for speed is given by:
c = λ f
From this equation and previous assumptions, we can conclude that since as the spectrum progresses lengths of waves \lambda and frequencies f are rislng as the otner Is aropping, we can say that the speed is not cnanging, so radio waves move wItn the same speed as light at about c = 3 10 8 m s

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