Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 14 - Section 14.6 - Reflection and Refraction - Got It?: 14.6

Answer

d)

Work Step by Step

It has to be tied to a rope with more mass per unit length. After all, in cases one and two, the amplitude would remain the same, and in case 3, the amplitude would increase. Thus, option d) is the only option where amplitude decreases.
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