Major branches of Physics Major Branches of Physics Acoustics studies the production and properties of sound.
Atomic physics examines the structure, properties, and behavior of the atom.
Biophysics applies the tools and techniques of physics to the study of living things and the life processes. Cryogenics is the study of extremely low temperatures. Electrodynamics analyses the relationship between electrical and magnetic forces. Fluid physics deals with the behavior and movements of liquids and gases. Geophysics is the study of earth and its atmosphere and waters by means of the principles of physics.