A radio wave of frequency on the order of 105 Hz is used to carry a sound wave with a frequency on the order of 103 Hz. Is the wavelength of this radio wave on the order of (a) kilometers, (b) meters, (c) centimeters, (d) micrometers

Given that,

Frequency of radio wave is from  f = 10⁵ Hz and f' = 10³ Hz

We need to find the wavelength of radio wave. The speed of a wave is given by formula as follows :

If f = 10⁵ Hz

or

If f' = 10³ Hz

or

So, the wavelength of this radio wave on the order of kilometres.

b. a lightning bug, plug of grass, and a worm