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Assume the speed of light to be 299 792 458 m/s. If the frequency of an electromagnetic wave is 80,000 GHz (GHz = gigahertz = 109 Hz), what is the wavelength of that radiation? Express your answer in micrometres (μm)

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Answer:

3.747 μm

Explanation:

To answer this question, the fundamental wave equation will be used. Light is an electromagnetic wave so we will use the speed of light for this electromagnetic wave.

v = fλ

299 792 458 m/s = 80,000 *10^9 * λ

λ = 3.747 *10^-6 = 3.747 μm

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