Radio Waves

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Issue:

Science

 

Written by:

Jose B

 

Date added:

June 20, 2013

 

Level:

 

Grade:

B

 

No of pages / words:

4 / 855

 

Was viewed:

1265 times

 

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Essay content:

In radio broadcasts, they use the radio waves which can be both microwaves and longer radio waves. These are transmitted in two ways: amplitude modulation (AM ) and frequency modulation ( FM ). These two kinds of wave have many differences. Radio waves are among the many types of electromagnetic waves that travel within the electromagnetic spectrum...
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Radio waves can be defined by their frequency (in hertz, after Heinich Hertz , who first produced radio waves electronically), which is number of times they pass through a complete cycle per second; or by their wavelength, which is determined by the distance (by meters) that is traveled from the crest of one wave to the crest of the next...
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