Topics: Physics, Quantum mechanics, Photon Pages: 3 (910 words) Published: June 29, 2013
Physics (from Greek), i.e. "knowledge, science of nature", from φύσις, physis, i.e. "nature"[1][2][3][4][5]) is a part of natural philosophy and a natural science that involves the study of matter[6] and its motion through space and time, along with related concepts such as energy and force.[7] More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.[8][9][10] Physics is the field of science that studies the physical world. From the large (galaxies, planets, etc) to the small (how proteins fold, atoms, etc) physics plays a role. It is a natural science that studies the properties of matter, motion, force, energy, space and time. Physics has a number of divisions or sub-categories. Each of these are more focused areas of study. Quantum Physics, the study of the quantum world (smaller than an atom). Particle Physics, the study of atomic and quantum particles such as electrons, protons, gluons and neutrinos. Theometical Physics, this is the branch of physics which deals in theory. It's generally at the forefront of physics and thought. After a theory has been shown possible that theory may move into another branch of physics. Astrophysics, studies aspects of stars, galaxies and space. It is closely linked with astronomy. Medical Physics, the study of physics and it's role in medicine. For example, radiation therapy, the development of certain medicines and areas of neurology all require a deep understanding of physics. Geophysics, the study of physics as it relates to Earth.

Mathematical physics, General & Special Relativity, Classical Mechanics, Thermodynamics, Electromagnetism and Temporal Mechanics are all other divisions of physics. Physics is a branch of science that deals with mater and motion; it also focused on the "Fundamental Laws of the Universe." Two Main Branches

1. Pure Physics
2. Applied Physics
Pure Physics 1. Mechanics - study of forces & energy on bodies of fluids at rest or in...
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