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Symbol Name Meaning SI unit of measure nabla dot the divergence operator often pronounced "del dot" per meter (m −1) nabla cross the curl operator often pronounced "del cross" per meter (m −1) nabla: delta (differential operator)
More Magic Triangle image mnemonics in the style of a cheat-sheet for high-school physics – in the SVG file, hover over a symbol for its meaning and formula. This is a categorized list of physics mnemonics .
The New Persian word فروهر is read as foruhar or faravahar (pronounced as furōhar or furūhar in Classical Persian).The Middle Persian forms were frawahr (Book Pahlavi: plwʾhl, Manichaean: prwhr), frōhar (recorded in Pazend as 𐬟𐬭𐬋𐬵𐬀𐬭; it is a later form of the previous form), and fraward (Book Pahlavi: plwlt', Manichaean: frwrd), which was directly from Old Persian ...
The table usually lists only one name and symbol that is most commonly used. The final column lists some special properties that some of the quantities have, such as their scaling behavior (i.e. whether the quantity is intensive or extensive ), their transformation properties (i.e. whether the quantity is a scalar , vector , matrix or tensor ...
The constants listed here are known values of physical constants expressed in SI units; that is, physical quantities that are generally believed to be universal in nature and thus are independent of the unit system in which they are measured.
A branch of physics that studies atoms as isolated systems of electrons and an atomic nucleus. Compare nuclear physics. atomic structure atomic weight (A) The sum total of protons (or electrons) and neutrons within an atom. audio frequency A periodic vibration whose frequency is in the band audible to the average human, the human hearing range.
AP. By the late 1960s, McDonald's had ditched the two-arch design, with the golden arches appearing instead on signs. This is the era in which Ray Kroc had taken over the business and was swiftly ...
In particle physics, the hypercharge (a portmanteau of hyperonic and charge) Y of a particle is a quantum number conserved under the strong interaction. The concept of hypercharge provides a single charge operator that accounts for properties of isospin , electric charge , and flavour .