In a Compton scattering event, the scattered photon has an energy of 150 keV and the recoiling electron has a kinetic energy of 40 keV. Assume that before scattering the electron is at rest.
Compton effect
The incoming photons' energy must be in the range of an X-ray frequency to generate the Compton effect. The electron does not lose enough energy that reduces the wavelength of scattered photons towards the visible spectrum. As a result, with visible lights, the Compton effect is missing.
Recoil Velocity
The amount of backward thrust or force experienced by a person when he/she shoots a gun in the forward direction is called recoil velocity. This phenomenon always follows the law of conservation of linear momentum.
Based on this question, what is the wavelength (nm) and the energy (in keV) of the incident photon, and also the same measurements for the scattered photon (and the scattering angle)?
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