Definition of Physics

Physics is a branch of science that deals with the study of properties of matter and energy and the interaction between them. Physics is basically an experimental science, it depends upon objective observations and accurate measurements of various natural phenomenon. 

Main Branches of Science: 
Science is divided into two main branches:

• Physical sciences 
• Biological sciences 

Main Branches of Physical Sciences: 
Physical sciences are divided into several branches such as: 

• Physics 
• Chemistry 
• Astronomy 
• Geology etc. 

Main Branches of Biological Sciences : 
Biological sciences are divided into following branches: 

• Botany 
• Zoology 
• Physiology etc.

Main Branches of Physics: 
Physics is divided into several branches such as: 

• Mechanics 
• Electricity 
• Thermodynamics 
• Atomic physics 
• Nuclear physics 
• Astro physics 
• Solid state physics 
• Plasma physics 
• Medical physics 
• Particle physics 
• Spectroscopy 
• Low temperature physics and many more