College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 27 - Section 27.5 - Compton Scattering - Checkpoint - Page 1026: 27.5

Answer

The collision conserves both momentum and energy.

Work Step by Step

The electron initially has zero kinetic energy. The electron recoils, moving off with some kinetic energy. Therefore the scattered photon must have less energy ( a longer wave length) than the incident photon.
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