F PHY112 Chapter 29 Homework Question 2 of 4 > -/1 View Policies Current Attempt in Progress An incident X-ray photon of wavelength 0.2019 nm is scattered from an electron that is initially at rest. The photon is scattered at an angle of 0 = 180.0° in the drawing and has a wavelength of 0.2068 nm. Use the conservation of linear momentum to find the momentum gained by the electron. E. X e E, Photon scattering from stationary electron Number Units וח​