photochemical equivalence law — ▪ chemistry fundamental principle relating to chemical reactions (chemical reaction) induced by light, which states that for every quantum of radiation that is absorbed, one molecule of the substance reacts. A quantum is a unit of… … Universalium
Equivalence principle — General relativity|cTopic=Fundamental conceptsThe equivalence principle is one of the fundamental background concepts of the General Theory of Relativity. For the overall context, see General relativity.In the physics of relativity, the… … Wikipedia
Quantum field theory — In quantum field theory (QFT) the forces between particles are mediated by other particles. For instance, the electromagnetic force between two electrons is caused by an exchange of photons. But quantum field theory applies to all fundamental… … Wikipedia
Stark-Einstein law — The Stark–Einstein law is named after the German born physicists Johannes Stark and Albert Einstein, who independently formulated the law between 1908 and 1913. It is known also as the photochemical equivalence law or photoequivalence law. It… … Wikipedia
Mathematical formulation of quantum mechanics — Quantum mechanics Uncertainty principle … Wikipedia
Mass–energy equivalence — E=MC2 redirects here. For other uses, see E=MC2 (disambiguation). 4 meter tall sculpture of Einstein s 1905 E = mc2 formula at the 2006 Walk of Ideas, Berlin, Germany In physics, mass–energy equivalence is the concept that the … Wikipedia
Second law of thermodynamics — The second law of thermodynamics is an expression of the universal law of increasing entropy, stating that the entropy of an isolated system which is not in equilibrium will tend to increase over time, approaching a maximum value at… … Wikipedia
Newton's law of universal gravitation — Classical mechanics Newton s Second Law History of classical mechanics … Wikipedia
einstein law of photochemical equivalence — Usage: usually capitalized 1st E Etymology: after Albert Einstein : a law in quantum theory: each molecule activated in any photochemical process absorbs one photon of radiant energy compare einstein 1 … Useful english dictionary
Photoelectrochemical processes — Photons emitted in a coherent beam from a laser Composition {{{composition}}} Interactions Electromagnetic, Optical, C … Wikipedia