In a Compton scattering experiment, photons are observed after scattering (from an electron at rest) by 120°. What is the wavelength of the incident (original) photons if the wavelength of the scattered photons is 65pm? O a. 65 pm O b. 61.35 pm O c. 66.22 pm O d. 68.645 pm O e. 63.79 pm
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