Homework Statement
An X-ray photon is scattered at an angle of θ = 180.0° from an electron that is initially at rest. After scattering, the electron has a speed of 4.67 x 106m/s. Find the wavelength of the incident X-ray photon.
Homework Equations
hc/λ = hc/λ′ + KE
λ′ = λ + h/mc...