Vw = f l Vw = 4230 m/s 4230m/s =f 250m l = 250 m 4230m/s = f 250m

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What is the frequency of a wave that has a wavelength of 250 m and a speed of 4230 m/s? Vw = f l Vw = 4230 m/s 4230m/s =f 250m l = 250 m 4230m/s = f 250m 16.92Hz =f 16.92/s =f

Today’s Objective: I understand the characteristics of the electromagnetic spectrum.

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What's the common factor?

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Electromagnetic Waves: * Do not NEED a material to travel through * Termed radiation when traveling through space

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Why do you see the lightning before the thunder?

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Did you see the difference? 20

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Nobody Says It Better....

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Trevor works at a radio station broadcasts a radio wave with a wavelength of 3.0 meters. What is the frequency of the wave?