Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 14 - Waves and Sound - Problems and Conceptual Exercises - Page 498: 120

Answer

less than

Work Step by Step

We know that due to the change in length of the tube from $1.5m$ to $2.7m$, the standing wave frequency decreases and hence the change in the fundamental frequency will be less than the change in the second harmonic frequency.
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