During a Compton-scattering trial

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Modern Physics · Modern Physics

Problem

During a Compton-scattering trial, the wavelength shift for photons scattered through

\theta = 90^\circ

is measured to be

2.46\,\text{pm}

. Determine the numerical value of the ratio

\Delta\lambda / (1 - \cos\theta)

for this data point.