Physics What is physics? Physics is the branch of science that deals with the structure of matter and how the fundamental constituents of the universe interact . It studies objects ranging from the very small using quantum mechanics to the entire universe using general relativity. Physics is a small word but it can deal the entire universe The word physics come from ancient greek it means "knowledge of nature" . In the physics they are two important scientists NEWTON ALBERT EINSTEIN A scientist who specializes in the field of physics is called physicist This physics can divided into lot of branches It aims to understand how the universe works Physics can be classified into various branches, but classical physics is mainly concerned with energy and matter. The traditional branches of classical physics are Optics, Acoustics, Electromagnetics, and Classical mechanics. With the rapid development of physic...