(Q1667940)

English

Wien approximation

physical law approximating the spectrum of thermal radiation

Wien's radiation law
Wien's law

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Statements

instance of

physical law

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image

Wiens law.svg
720 × 600; 12 KB

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named after

Wilhelm Wien

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defining formula

L_{\mathrm {e} ,\lambda }(\lambda ,T)={\frac {c_{1}}{\pi }}\lambda ^{-5}\mathrm {e} ^{\frac {c_{2}}{\lambda T}}

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stated in

International Electrotechnical Vocabulary

IEV number

845-24-006

M_{\mathrm {e} ,\lambda }(\lambda ,T)=c_{1}\lambda ^{-5}\mathrm {e} ^{\frac {c_{2}}{\lambda T}}

1 reference

stated in

International Electrotechnical Vocabulary

IEV number

845-24-006

in defining formula

L_{\mathrm {e} ,\lambda }

symbol represents

Specific radiative intensity

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\lambda

symbol represents

wavelength in vacuum

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T

symbol represents

thermodynamic temperature

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c_{1}

symbol represents

first radiation constant

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c_{2}

symbol represents

second radiation constant

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M_{\mathrm {e} ,\lambda }

symbol represents

spectral radiant exitance with respect to wavelength

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maintained by WikiProject

WikiProject Mathematics

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different from

Wien's displacement law

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Commons category

Wien approximation

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Identifiers

Encyclopædia Britannica Online ID

science/Wiens-law

subject named as

Wien’s law

author name string

Hellmut Fritzsche

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1 reference

28 October 2013

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Microsoft Academic ID

70340772

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Sitelinks

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Multilingual sites(1 entry)

commonswiki Category:Wien approximation