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AP Physics 2
15.6 Compton Scattering
AdvancedMCQMathematical20.6k
A horizontal straight dashed axis line. On the left, a wavy arrow labeled \(E\) points to the right toward a filled circle labeled electron. To the right, a dashed arrow labeled \(K_e\) points to the right representing electron recoil. Below the axis, a wavy arrow labeled \(E'\) points back to the left. No other labels, lines, text, or axes appear.
Photon backscattering off a stationary electron.
A high-energy photon with initial energy \(E\) collides with a stationary electron of rest mass \(m_e\). As a result of the Compton scattering process, the photon is scattered directly backward at an angle of \(180^\circ\) relative to its initial direction. In terms of \(E\), \(m_e\), and the speed of light \(c\), which of the following expressions represents the kinetic energy transferred to the recoil electron?

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