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Diagram illustrating the relationship between the wavenumber and the other properties of harmonic waves. In the physical sciences, the wavenumber (or wave number), also known as repetency, [1] is the spatial frequency of a wave, measured in cycles per unit distance (ordinary wavenumber) or radians per unit distance (angular wavenumber).
The lower-case letter ν is used as a symbol in many academic fields. Uppercase nu is not used, because it appears identical to Latin N. Mathematics: Degrees of freedom in statistics. The greatest fixed point of a function, as commonly used in the μ-calculus. Free names of a process, as used in the π-calculus.
Alternative symbol for a wave function in quantum mechanics; Note: The empty set symbol ∅ looks similar, but is unrelated to the Greek letter. or represents: the golden ratio 1.618... in mathematics, art, and architecture; Euler's totient function in number theory
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
The Greek alphabet on a black-figure pottery vessel, with an archaic chickenfoot-shaped psi.. Psi / ˈ (p) s aɪ, ˈ (p) s iː / (P)SY, (P)SEE [1] (uppercase Ψ, lowercase ψ or 𝛙; Greek: ψι psi) is the twenty-third and penultimate letter of the Greek alphabet and is associated with a numeric value of 700.
In general, the relationship between wavelength, frequency, and the phase velocity of a sinusoidal wave is: v p = λ ν {\displaystyle v_{\text{p}}=\lambda \nu } Using the wavenumber ( k = 2 π / λ {\displaystyle k=2\pi /\lambda } ) and angular frequency ( ω = 2 π ν {\displaystyle \omega =2\pi \nu } ) notation, the previous equation can be ...
Symbol Meaning SI unit of measure magnetic vector potential: tesla meter (T⋅m) area: square meter (m 2) amplitude: meter: atomic mass number: unitless acceleration: meter per second squared (m/s 2) magnetic flux density
Symbol ⏚ (⏚) is the "Earth Ground" symbol found on electrical or electronic manual, tag and equipment. It also includes most of the uncommon symbols used by the APL programming language. Miscellaneous Technical (2300–23FF) in Unicode