If the frequency of the wave used by your favourite station is 97.7 Megahertz, what is the wavelength?
Answer in units of m.
distance= speed * time
wavelength = speed * period
so
wavelength = speed / frequency
= 3 * 10^8 m/s / (97.7 *10^6 cycles /s)
= 3 / 0.977 meters