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3-20

repetency, wavenumber

URNurn:iso:std:iso:80000:-3:ed-2:en:item:3-20

https://metanorma.github.io/isq-smart/quantities/part-3/t3-20
urn:iso:std:iso:80000:-3:ed-2:en:item:3-20

ISQ Identifiers

ISO

urn:iso:std:iso:80000:-3:ed-2:en:item:3-20

IEC

urn:iec:std:iec:80000-3:2019:::item:3-20

Designations

ENrepetency

FRrépétance

ENwavenumber

FRnombre d'onde

Symbol

σ

\tilde{v}

Notation systems

Rendered

σ

Rendered

\tilde{v}

AsciiMath

sigma

AsciiMath

tilde ii(sf(v))

LaTeX

\sigma

LaTeX

\tilde{\mathit{\mathsf{v}}}

Definition

inverse of the wavelength (wavelength)

inverse de la longueur d'onde (wavelength)

Units

m^{- 1}

per metre

View related quantities →

Notes

The repetency is given by:

σ = \frac{1}{λ}

where $λ$ denotes the wavelength (wavelength).

La répétance est donnée par:

σ = \frac{1}{λ}

où $λ$ désigne la longueur d'onde (wavelength).

Referenced by

wave vector

Concept HierarchyPendrill (2024)

L⁻¹L⁻¹ quantitiesLevel 0 · Kind

Broader concepts

◇ L⁻¹ quantities

Ontology
isq:Quantity smart:TermEntry

Class Hierarchy

smart:Entity smart:TermEntryisq:Quantity

A physical quantity as defined in ISO/IEC 80000, with associated symbols, definitions, and units of measurement.

Instance IRI

isq:t3-20

Properties

isq:QuantityShape

Property	Value
rdf:type	isq:Quantity smart:TermEntry
dcterms:identifier	3-20
skosxl:prefLabel	"repetency"@en
skosxl:altLabel	"wavenumber"@en"sigma"@en"tilde ii(sf(v))"@en
skos:definition	inverse of the wavelength (<<t3-19>>)
skos:note	The repetency is given by: [stem%unnumbered] ++++ sigma = 1/lambda ++++ where stem:[lambda] denotes the wavelength (<<…
isq:hasUnit	m^(-1) (per metre)
isq:hasDimension	isq:Dimension
smart:hasBindingnessType	bindingness-type:normative
dcterms:isPartOf	isq:part-3

Related Entities

isq:QuantityShape isq:part-3 isq:Unit isq:Dimension isq:hasDimension smart:TermEntry