The index of physics articles is split into multiple pages due to its size.
To navigate by individual letter use the table of contents below.
X
X(3872) X-ray X-ray absorption fine structure X-ray absorption spectroscopy X-ray astronomy X-ray astronomy detector X-ray astronomy satellite X-ray background X-ray binary X-ray burster X-ray computed tomography X-ray crystal truncation rod X-ray crystallography X-ray filter X-ray fluorescence X-ray generation X-ray generator X-ray image intensifier X-ray machine X-ray magnetic circular dichroism X-ray microscope X-ray optics X-ray photoelectron spectroscopy X-ray pulsar X-ray reflectivity X-ray scattering techniques X-ray spectroscopy X-ray standing waves X-ray telescope X-ray tube X-wave XANES XENON Dark Matter Search Experiment X (charge) X and Y bosons X band Xallarap Xavier Le Pichon Xi baryon Xiao-Gang Wen Xiaowei Zhuang Xie Shengwu Xie Xide