Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 12 - Sound - Questions: 7

Answer

The speed of sound is dependent on temperature, and the pitch of an organ pipe (frequency) is proportional to the speed of sound in air.

Work Step by Step

The equation determining the pitch of an organ pipe shows that the frequency is proportional to the speed of sound in air. When the temperature rises, the speed of sound increases, which means that the resonant frequency (i.e., the pitch emitted by the pipe) increases.
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