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This glossary of physics is a list of definitions of terms and concepts relevant to physics, its sub-disciplines, and related fields, including mechanics, materials science, nuclear physics, particle physics, and thermodynamics. For more inclusive glossaries concerning related fields of science and technology, see Glossary of chemistry terms ...
A state which can be represented as a wave function / ket in Hilbert space / solution of Schrödinger equation is called pure state. See "mixed state". Quantum numbers. a way of representing a state by several numbers, which corresponds to a complete set of commuting observables.
Physics – branch of science that studies matter [9] and its motion through space and time, along with related concepts such as energy and force. [10] Physics is one of the "fundamental sciences" because the other natural sciences (like biology, geology etc.) deal with systems that seem to obey the laws of physics.
G {\displaystyle G} electrical conductance. siemens (S) universal gravitational constant. newton meter squared per kilogram squared (N⋅m 2 /kg 2 ) shear modulus. pascal (Pa) or newton per square meter (N/m 2 ) g {\displaystyle \mathbf {g} } acceleration due to gravity.
Glossary of quantum philosophy. This is a glossary for the terminology applied in the foundations of quantum mechanics and quantum metaphysics, collectively called quantum philosophy, a subfield of philosophy of physics . Note that this is a highly debated field, hence different researchers may have different definitions on the terms.
It deals with the motion of particles and the general system of particles. There are many branches of classical mechanics, such as: statics, dynamics, kinematics, continuum mechanics (which includes fluid mechanics ), statistical mechanics, etc. Mechanics: A branch of physics in which we study the object and properties of an object in form of a ...
f = Δ N / Δ t {\displaystyle f=\Delta N/\Delta t\,\!} In practice N is set to 1 cycle and t = T = time period for 1 cycle, to obtain the more useful relation: f = 1 / T {\displaystyle f=1/T\,\!} Hz = s −1. [T] −1. Angular frequency / pulsatance. ω. ω = 2 π f = 2 π / T {\displaystyle \omega =2\pi f=2\pi /T\,\!}
The Physics Portal. The expansion of the universe according to the Big Bang theory in physics. Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. Physics is one of the most fundamental scientific ...
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