Answer:
Frequency, [tex]f=2.18\times 10^9\ Hz[/tex]
Explanation:
We have,
Speed of radio waves is [tex]3\times 10^8\ m/s[/tex]
Wavelength of radio waves is [tex]\lambda=0.137\ m[/tex]
It is required to find the frequency of the radio waves. The speed of a wave is given by :
[tex]v=f\lambda\\\\f=\dfrac{v}{\lambda}\\\\f=\dfrac{3\times 10^8}{0.137}\\\\f=2.18\times 10^9\ Hz[/tex]
So, the frequency of the radio wave is [tex]2.18\times 10^9\ Hz[/tex].
