what is transferred by electromagnetic waves? a. sound b. electricity c. electromagnetic radiation d. resonance
Electromagnetic radiation (which includes radio waves, light, cosmic rays, etc.) moves through empty space at the speed of 299,792 km per second. Sunshine is a familiar example of electromagnetic radiation that is naturally emitted by the Sun. Starlight is the same thing from Suns that are much farther away. Electromagnetic radiation travels in waves that vibrate at different frequencies. Radio waves are in the range of about 10 kHz (or ten thousand waves per second) to 100 GHz (which is one hundred million vibrations per second).