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They use electromagnetic waves. cellphones use radio waves while electric and microwave ovens use infrared and/or microwaves
Radio waves.
The type of communication that is carried by sound and light waves are messages. They can be sent via a video message.
electromagnetic waves hope that helps :)
Bluetooth technology.
electromagnetic waves they are basically used by all types only some have different names and are a type of it Like wireless is : Hertzian waves (electromagnetic waves) well the elctormagnetic waves can smd!
Communication in the twenty-first century includes email, mail, telephone, cellular phone, and computer type communications. This century is known for its instant access to communication with most of the world.
radio waves (part of the electromagnetic spectrum)
Communication in the twenty-first century includes email, mail, telephone, cellular phone, and computer type communications. This century is known for its instant access to communication with most of the world.
Those are called radio waves. Also, the so-called microwaves, which are basically a type of radio waves (with a relatively high frequency and short wavelength), too.
There is no one universal light bulb for ovens.
Radio waves are used to transmit signals from a radio station, and you can receive the signals with a radio, and hear them as sound such as speech or music. The long wavelength of radio waves makes them a suitable medium for transmitting over a large range. it is also use in agriculture...... it is used to diagnose different diseases