Page 17 - Physics dictionary by Futura-Sciences

Alphabetical index

Plasticity Plasticity is the tendency of a material to remain deformed ...	Poisson brackets Poisson brackets are mathematical expressions initially ...
Poisson ratio The principal Poisson ratio describes the contraction of ...	Polariton A polariton is a quasi-particle composed of a photon ...
Positron The positron is an antiparticle of the electron predicted in ...	Positronium Positronium is a state related to an electron and its ...
Potential energy When a body is subjected to a force (e.g. a ball falling ...	Power consumption Power consumption is the amount of input energy (measured in ...
ppm Parts per million, the equivalent of 1 gram per tonne for example.	Primary colour A primary colour is one that cannot be obtained by mixing ...
Principle of complementarity See "Copenhagen interpretation".	Proton A proton is a nucleon, with neutrons it forms the nucleus of ...
Puddling Metallurgy: Puddling is an old process that was used to ...	PVLAS PVLAS is the Italian acronym of Polarizzazione del Vuoto con ...
Quantum chromodynamics Quantum chromodynamics, QCD, is the theory of strong ...	Quantum computer A quantum computer performs calculations by the ...
Quantum cryptography Quantum cryptography is the use of quantum mechanical ...	Quantum dot Semiconducting quantum dots are three-dimensional nanometric ...
Quantum electrodynamics Quantum electrodynamics is a fundamental electromagnetic ...	Quantum entanglement Quantum entanglement is a fundamental phenomenon in quantum ...