A radio wave travels through space with a frequency of 2 x 104 Hz. If the speed of the radio wave is 3 x 108 m/s, what is the wavelength of this wave?

6 x 1012 m
1.5 x 104 m
1 x 104 m
6.7 x 10-4 m
Can someone show me how to solve this?

1 answer

wavelength = speed / frequency