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Answer:
characteristics of electromagnetic waves:-
- electromagnetic waves are transverse waves;
- electromagnetic waves can travel through a vacuum;
- electromagnetic waves travel at exactly the same speed in a vacuum, the speed of light, 300,000,000 m/s.
A characteristics Feature of electromagnetic waves that make them useful for transmitting signal is that they are easily transmitted through
In physics, electromagnetic radiation is defined as waves created as a result of the electromagnetic field vibratons moving through space, carrying electromagnetic energy. The waves produced includes radio waves, microwaves, infrared, light, ultraviolet, X-rays, and gamma rays.
The character of an electromagnetic wave is dependent on its frequency or wavelength making each electromagnetic spectrum having their own range of uses.
For transmitting signals, Radio waves as well as Microwaves is useful , while the former help transmit Information through radio and TV stations the later is used in satellite communications, this is because
- They are easily transmitted through air.
- if absorbed by the human body, cannot cause damage
- Thier directions can be changed or switched.
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