A photon of frequency is scattered by a free electron through an angle of

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Modern Physics · Modern Physics

Problem

A photon of frequency

5.0\times10^{19}\,\text{Hz}

is scattered by a free electron through an angle of

140^{\circ}

. What is the frequency of the photon after the scattering event? (a)

4.6\times10^{19}\,\text{Hz}

(b)

2.9\times10^{19}\,\text{Hz}

(c)

1.4\times10^{19}\,\text{Hz}

(d)

4.0\times10^{19}\,\text{Hz}