Waves of electromagnetic radiation travel in which of the following?

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    in materials containing electrons that are free to move, such as electrical conductors, but not in insulators
     through water and air, but not in solids or in vacuum
     only in a vacuum
     in any medium that does not absorb them, including no medium at all (i.e., vacuum)
     only in gaseous media and not in solids, liquids, or vacuum
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

0 votes
in any medium that does not absorb them, including no medium at all (i.e., vacuum)
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)



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