The speed of all electromagnetic waves in empty space is 3.00 × 108 m/s. What isthe wavelengthofradio waves emit- ted at 97.9 MHz? Answer in units of m

Answer 1

period = 1/ frequency

wavelength = period * speed

so

wavelength = speed / frequency

Your textbook must have that !!!

Answer 2

Pefcret shot! Thanks for your post!