A monochromatic X-ray beam with an initial wavelength of 0.050nm strikes free electrons, and some photons are scattered through an angle of 60∘. What is the wavelength of one of these scattered photons? (Electron Compton wavelength =2.43×10−12m.)
a) 0.052nm
b) 0.054nm
c) 0.051nm
d) 0.049nm