What are the branches of physics under classical physics and modern physics?

Answer:
The main branches of classical physics include:
Classical Mechanics
Electromagnetism
Optics
Thermodynamics
As well as many other sub-branches like hydrodynamics, aerodynamics, etc.

In modern physics, there are a lot of different fields of study including:
Nuclear (Particle) Physics
Quantum Electrodynamics (QED)
Quantum Chromodynamics (QCD)
Solid state (aka Condensed matter) physics
Astrophysics
Geophysics
Biophysics
etc.
First answer by FatalError2319. Last edit by FatalError2319. Contributor trust: 5 [recommend contributor recommended]. Question popularity: 1 [recommend question].