Question

Can you please help with the attached question? Thanks!

A 0.05-nm x-ray is incident on a stationary electron. A scattered photon is observed at 102°.
Find the energy of the scattered photon E'y= 23.57
kev and its wavelength A'= .05271
nm.
Find the kinetic energy of recoiled electron
K= 1.27
X kev.
Find the speed of recoiled electron as a fraction of speed of light: v/c= .07
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A 0.05-nm x-ray is incident on a stationary electron. A scattered photon is observed at 102°. Find the energy of the scattered photon E'y= 23.57 kev and its wavelength A'= .05271 nm. Find the kinetic energy of recoiled electron K= 1.27 X kev. Find the speed of recoiled electron as a fraction of speed of light: v/c= .07

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