
The following table illustrates the major branches and their sub-branches) of physics −
| Branch/Field | Sub-branch/Sub-field | 
|---|---|
| Classical mechanics | |
| Newtonian mechanics | |
| Analytical mechanics | |
| Celestial mechanics | |
| Applied mechanics | |
| Acoustics | |
| Analytical mechanics | |
| Dynamics (mechanics) | |
| Elasticity (physics) | |
| Fluid mechanics | |
| Viscosity | |
| Energy | |
| Geomechanics | |
| Electromagnetism | |
| Electrostatics | |
| Electrodynamics | |
| Electricity | |
| Thermodynamics and statistical mechanics | Heat | 
| Optics | Light | 
| Condensed matter physics | |
| Solid state physics | |
| High pressure physics | |
| Surface Physics | |
| Polymer physics | |
| Atomic and molecular physics | |
| Atomic physics | |
| Molecular physics | |
| Chemical physics | |
| Astrophysics | |
| Astronomy | |
| Astrometry | |
| Cosmology | |
| Gravitation physics | |
| High-energy astrophysics | |
| Planetary astrophysics | |
| Plasma physics | |
| Solar physics | |
| Space physics | |
| Stellar astrophysics | |
| Nuclear and particle physics | |
| Nuclear physics | |
| Nuclear astrophysics | |
| Particle physics | |
| Particle astrophysics | |
| Applied Physics | |
| Agrophysics | |
| Biophysics | |
| Chemical Physics | |
| Communication Physics | |
| Econophysics | |
| Engineering physics | |
| Geophysics, | |
| Laser Physics | |
| Medical physics | |
| Physical chemistry | |
| Nanotechnology | |
| Plasma physics | |
| Quantum electronics | |
| Sound |