A photon undergoes Compton scattering off a stationary free electron. The photon scatters at 50° from its initial direction; its initial wavelength is 1.0 x 1012 m. What is the electron's final kinetic energy?

A photon undergoes Compton scattering off a stationary free electron. The photon scatters at 50° from its initial direction; its initial wavelength is 1.0 x 1012 m. What is the electron's final kinetic energy?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter27: Quantum Theory

Section27.1: A Particle Model Of Waves

Problem 1PP

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Concept explainers

Compton effect

The incoming photons' energy must be in the range of an X-ray frequency to generate the Compton effect. The electron does not lose enough energy that reduces the wavelength of scattered photons towards the visible spectrum. As a result, with visible lights, the Compton effect is missing.

Recoil Velocity

The amount of backward thrust or force experienced by a person when he/she shoots a gun in the forward direction is called recoil velocity. This phenomenon always follows the law of conservation of linear momentum.

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A photon undergoes Compton scattering off a stationary free electron. The photon scatters at 50° from its initial direction; its initial
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Step 1: The Compton wavelength shift formula

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Step 2: Calculation for wavelength shift and final wavelength

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Step 3: Calculation for Kinetic energy of electron

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