University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 37 - Relativity - Problems - Discussion Questions - Page 1247: Q37.12


There is no contradiction.

Work Step by Step

The wavelength is shorter, but the frequency is shifted to a higher value ("blue-shifted"). The product of the higher frequency and the lower wavelength is the wave speed, and it comes out to the same value.
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