smooth phone
idiot box
Radar
Mobile Phones use microwaves to change data from the phone to the phone tower.
Television uses tuner waves to transmit data.
Radar uses radio waves to transmit data.
P3. Analyse information to identify the electromagnetic spectrum range utilised in modern communication technologies
Modern communications use radio waves, microwaves, infra-red and visible light.
Radio waves be utilize in AM radio, FM radio, VHF television and UHF television.
Microwaves are used in mobile phone communications.
Infra-red is used in many an(prenominal) television remote controls, and also used in computing.
visible(a) light is used in fibre optics, which is used to transmit large amounts of data fast. This includes for the internet and to link the internet between countries.
-The waves are produced by oscillating, perpendicular electric and magnetic playing areas, and so the term electromagnetic
-The waves are considered to be self-propagating; that is, the electric field produces a perpendicular magnetic field that in twirl induces an electric field and so on.
This property enables electromagnetic waves to become the immense distances of the universe for billions of years away from the source of the radiation.
-As a general rule the electromagnetic waves are stand for in the form of sinusoidal (sine-shaped) or complex crosswise waves. These complex electromagnetic waves are like sound; that is, they are made up of multiple simple waves superposed.
-They are opened of creating an electrical response in the medium that they impact.
-They have frequencies related to directly to the vibrational frequency of their source particle.
-They can be reflected by certain materials and can be refracted or solidifying when passing from a medium of one density to a medium of a different density
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