How many 660kHz waves can be on a 5 mile transmission line simultaneously?

Explanation

Let `lamda` be the wavelength of 500 kHz signal.
Then, `lamda=(c )/(f)=(3.0xx10^(8))/(5.0xx10^(4))m=600m`
The number of waves on the line can found from,
`n=(d)/(lamda)=(10xx10^(3))/(600)=16.67`