Turkey99 Turkey99

27-04-2016
Mathematics

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A communications satellite transmits a radio wave at a frequency of 5 x 10^9 Hz. What is the signal's wavelength? Assume the wave travels in a vacuum. Show your work.

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kiev001 kiev001

27-04-2016

Wave Speed = Wave Frequency x Wavelength

You know that the speed of radio waves in a vacuum is 3x10^8 m/s

so you just substitute the values into the equation below.

Wavelength = Wave Speed / Wave Frequency

Wavelength = 3x10^8 / 5x10^9

Wavelength = 0.06 m

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