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Science-Related Homework Help Physics Topic started by: einsteindude on Dec 2, 2014



Title: Talk-radio station KOOK is at approximately 90 megahertz on the radio dial. This
Post by: einsteindude on Dec 2, 2014
Talk-radio station KOOK is at approximately 90 megahertz on the radio dial. This means that KOOK broadcasts
A) a sound wave whose frequency is 90 vibrations/second.
B) an electromagnetic wave whose wavelength is 90 × 106 vibrations per second.
C) an electromagnetic wave whose frequency is 90 × 106 vibrations/second.
D) an electromagnetic wave whose frequency is 90 vibrations/second.
E) a sound wave whose frequency is 90 × 106 vibrations/second.


Title: Re: Talk-radio station KOOK is at approximately 90 megahertz on the radio dial. This
Post by: mel!811 on Dec 3, 2014
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