As per Oxford Dictionary, Physics is
The branch of science concerned with the nature and properties of matter and energy. The subject matter of physics includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms.
As per Merriam-Webster Dictionary,
- a science that deals with matter and energy and their interactions
- a: the physical processes and phenomena of a particular system
- b: the physical properties and composition of something
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