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Guys check this out :- Radio Waves Radio waves have the longest wavelengths in the electromagnetic spectrum. These waves can be longer than a football field or as short as a football. Radio waves do more than just bring music to your radio. They also carry signals for your television and cellular phones. The antennae on your television set receive the signal, in the form of electromagnetic waves, that is broadcasted from the television station. It is displayed on your television screen. Cable companies have antennae or dishes which rec
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submitted by Mr.IITIAN007 (3000 m) on 21 Jun 2007 10:34:18 IST (22 comments 947 views)
