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Mobile phones use electromagnetic waves with frequencies in the microwave range.

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13y ago
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13y ago

All radio (and TV and GPS and cell-phones [all of which are really radios]) work by transmitting and/or receiving electromagnetic waves.

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11y ago

wow, I was tryig to ask the same question but it wasn't even answered I'm mad because I need it for H.W. and nothing else has the answer XO

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14y ago

Radio waves.

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11y ago

infrarared.

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Q: Which type of electromagnetic radiation is useful in communications technology?
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Mainly visible light.


What kind of EMR helps fight cancer?

The type of electromagnetic radiation that is used to fight cancer is gamma radiation. Gamma radiation is a type of ionizing radiation, which breaks the chemical bonds in cells, which makes it useful in treating cancer.


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Which type of radiation in the electronmagnetic spectrum is the least energetic?

The electromagnetic spectrum is a continuum. The least energetic type of radiation may be found in what is known as "extremely low frequency" radiation (ELF). This is radiation with a frequency in the range 3-30 Hertz. ELF radiation can penetrate seawater and so is particularly useful for communicating with submarines.


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Wind is useful in technology because it can create energy.


What is the movement of heat in the form of electromagnet waves called?

The question is not very precise, so there could be a couple of answers you are looking for. If you mean what is the name of the process by which heat is removed from an object by emitting electromagnetic radiation then the answer is thermal radiation. Wikipedia has a fairly useful article of that title.


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