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zech irwin

on 21 April 2010

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Transcript of ELETR0M@GNET W@VES

ELETROMAGNET1C WAVES Diff. types of Waves Radio Waves Microwaves Infrared Visible Light X-RAYs Gamma Rays Ultraviolet waves a form of electromagnetic radiation
similar to light but of shorter wavelength and
capable of penetrating solids and of ionizing gases an electromagnetic wave habing a wavelength between
1 millimeter and 30,000 meters, or a frequency between 10 kilohertz
and 300,000 megahertz. beyond the violet in the spectrum, corresponding to
light having wavelengths shorter than 4,000 angstrom
units. electromagnetic radiation that can produce a visual sensation. the part of the invisible spectrum that is contiguous to the red end of the visble spectrum and that comprises electromagnetic radiation of wavelengths for 800 nm to 1 mm. an electromagnetic wave fo extremly high frequency, 1 gh3 or
more, and having wavelengths of from 1mm to 30 cm. a photon fo pentrating electomagnetic radiation
(gamma radiation) emitted from an atomic nucleus. How you can see with your eyes? You see an object when light emitted or reflected from the object enters your eye. When light waves strike an object some of the light waves are reflected the wavelength of the light waves that are reflected determine the object's color. Radar

What determines objects color Frequency comparison between two signals is considerably more accurate, even with older electronics, than timing the signal. By changing the frequency of the returned signal and comparing that with the original, the difference can be easily measured The amplitude may imply a complex signal, including both magnitude and the phase. 70 cm wavelength
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