The Doppler shift formula gives the frequency fL at which a listener L hears the sound emitted by a source S at frequency fS: fL = fS(v+vL)/(v+vS), where v is the speed of sound in the medium, vL is the velocity of the listener, and vS is the velocity of source.

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate