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An X-ray scattering from a free electron is observed to change its wavelength by 2.43 pm Part A At what angle to the incident

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so) ginen data The change in wavelength, or = 2.43pm. we know that mass of electron m=9.11x10 31 kg and velocity of light = 3(- coso) = 1 2.43 x 10 12 & 9.10 x 10 31 x 3x108 6.63 x 1034 (1-COS 8) = 1:0016 CODE 1 - 1.0016 COB O = -1-6X163 o= cos (-1.6

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