If a sound source is approaching you, it will sound slightly higher in frequency to you than it would to an object moving along with it.Similarly, if a sound source is receding from you, it will sound slightly lower in frequency to you than it would to an object moving along with it.This phenomenon is called the ______.
A)rate of approach effect
B)biosonar shift
C)Gelb effect
D)Doppler shift

Question

Quizplus · Accepted Answer

The phenomenon described is the Doppler shift, which is the change in frequency of a wave (in this case, sound) due to the motion of the source or receiver.

If a Sound Source Is Approaching You, It Will Sound