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einsteindude einsteindude
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Posts: 5058
8 years ago
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.
Textbook 

Conceptual Physical Science


Edition: 6th
Authors:
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mel!811mel!811
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8 years ago
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2 months ago
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