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we use electromagnetic waves in radios and cell phones

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Q: What are two uses of electromagnetic radiation in your world on earth?
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How does a ship use light speed?

Nothing except electromagnetic radiation uses light speed.


What uses microwave radar?

No. Radar use electromagnetic radiation of a much longer wavelength


Which type of remote-sensing produces its own electromagnetic radiation and uses radar to gather data?

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What is a type of electromagnetic radiation used for medical images?

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Does the cell phone only give off raidiation if it is ringing?

The phone gives of low level electromagnetic radiation whenever it is on. It uses electromagnetic waves to connect to the phone mast to send/receive calls. Your phone ringing had no effect at all on the levels of electromagnetic radiation. Anyway, your phones electromagnetic radiation DOES NOT HARM YOU. If that's what your thinking, many investigations have shown NO HARMFUL EFFECTS of using phones.


Leza is making a list of the electromagnetic radiation she uses in one week Which of the following should she omit?

floating on the waves in the ocean


What are different types of radiation other than visible light and what are there uses?

The names we give to a few other wavelength-bands of electromagnetic radiation are: -- radio -- microwave -- heat -- X-ray -- gamma ray After you've spent some time here on Earth, you'll get used to these terms, and you'll quickly understand what we do with these categories of radiation.


What kind of radiation cooks food?

oven/stove emits infrared radiationmicrowave cooker uses microwave electromagnetic radiation to cook but uses shielding to keep it from being emittedtoaster emits infrared radiationtoaster oven emits infrared radiationrefrigerator/freezer emits waste heat as infraredradiationany appliance with lights emits visible lightradiationany smart appliance providing network connectivity emits radio frequency electromagnetic radiationetc.


What type of electromagnetic radiation is absorbed by the sample in mass spectrometry?

Mass spectrometry doesn't use electromagnetic radiation, hence why it is not called Mass spectroscopy. Instead Mass spectrometry uses high energy electrons to ionize the sample molecules, which helps determine the mass of the molecules and any fragmented ions from the parent ion.


Description of a microwave oven?

A microwave oven is a small electronic device used to heat food up quickly. It uses electromagnetic radiation to warm the food up.