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Chapter 2: Q17DQ (page 538)

A large church has part of the organ in the front of the church and part in the back. A person walking rapidly down the aisle while both segments are playing at once reports that the two segments sound out of tune. Why?

Short Answer

Expert verified

The person will perceive the 2 sources as being out of tune with one another due to the doppler effect.

Step by step solution

01

Explanation

The person is approaching the sound source in the front and will perceive a higher frequency than what is emitted.At the same time, the person is walking away from the sound source in the back and will perceive a lower frequency than what is emitted. This is known as Doppler Effect.
Thus, If both sources are emitting the same frequency, the person will perceive the 2 sources as being out of tune with one another.

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