At a concert the oboe is playing a long steady note as you walk away from the stage at an accelerating velocity toward the rest room. The pitch of the sound that you hear, is
A) continually increasing.
B) continually decreasing.
C) steady but lower than normal.
D) steady but higher than normal
E) None of the above choices are correct.

Question

Quizplus · Accepted Answer

As you walk away from the source of the sound (the oboe) at an accelerating velocity, the frequency of the sound waves reaching you decreases due to the Doppler effect. This results in a lower pitch being perceived.

At a Concert the Oboe Is Playing a Long Steady