27. A communications satellite transmits a radio wave at a frequency of 5 • 109 Hz. What is the signal’s wavelength? Assume the wave travels in a vacuum. Show your work. (3 points)
I at least need the formula and how to solve it... not the answer.
1 answer
λ =c/f = 3•10^8/5•10^9= 0.06 m
7 answers