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Was the radio the first mobile device in the world?
no, first mobile device was a knife...
what is the similarities of mobile phone and radio?
they both communication device
How are waves used in mobile phones?
in a way, no. They create sound waves using a speaker so you can hear what the person at the other end of the line is saying. EMR is used in transmitting the signal. These are very different to sound waves.
What are waves that are used in television?
Radio waves, microwaves, infrared and visible light can all be used for communication. Radio waves – are used to transmit television and radio programs. Microwaves – are used to transmit satellite television and for mobile phones. Infrared – is used to transmit information from remote controls.
What are microwaves created by?
a microwave is actually a particle of light below the visible spectrum that we can see. a magnetron is the device in a microwave oven that produces the microwaves by using an electromagnet that charged produces a light wave at the proper frequency to make it a microwave.
Do cellphones use microwaves?
Yes, cellphones use microwaves to transmit and receive signals to and from cell towers. Microwaves are a type of electromagnetic radiation that allows for wireless communication between cellphones and the network infrastructure.
Do cell phones use radio waves or microwaves?
Microwaves are radio waves.Technically, "microwave" is the term used to designate radio communication onfrequencies above 3 GHz. Cellular and mobile data service doesn't operate inthat frequency range. But microwave systems operating in bands between5.8 GHz and 80 GHz are used to link the individual cellular and mobile data sitesto each other, and to the mobile switching centers.
How are microwaves and mobiles linked?
Only similarity between a microwave and mobile is that both uses a electromagnetic radiation but of different frequency for its operation. Microwaves uses micro waves to heat up food molecules where as mobile phone uses radio wave frequency.
Do satellites normally use microwaves or radio waves?
Microwaves are radio waves.Most satellites communicate in microwave radio frequency bands.
What wave viabrates faster radio wave or microwaves?
Microwaves ARE radio waves, with frequencies above 3 GHz.
Do microwaves have more or less energy than radio waves?
Microwaves have more energy than radio waves. They have shorter wavelengths and higher frequencies, which results in more energy being carried by microwaves compared to radio waves.
Are radio waves harmful?
There is no evidence that radio waves can harm you.However, there are waves inside a mobile phone than canharm you such as microwaves and infrared. This is done by a process called ionisation where cells are split in two or doubled. This causes cancer. Therefore microwaves can be lethal.But only a small dose is used in mobile phones so there is almost no risk. Also, infrared is well compacked and under control.
