# PlanckRadiationLaw

PlanckRadiationLaw[temperature,λ]

returns the spectral radiance for the specified temperature and wavelength λ.

PlanckRadiationLaw[temperature,f]

returns the spectral radiance for the specified temperature and frequency f.

PlanckRadiationLaw[temperature,property]

returns the value of the property for the specified temperature.

PlanckRadiationLaw[temperature,{λ1,λ2}]

returns the integrated result of the spectral radiance over the wavelength range λ1 to λ2.

PlanckRadiationLaw[temperature,{f1,f2}]

returns the integrated result of the spectral radiance over the frequency range f1 to f2.

# Details

• Inputs temperature, λ, and f should be Quantity objects.
• Properties include:
•  "Color" color of the peak wavelength "MaxFrequency" peak frequency "MaxWavelength" peak wavelength "MeanFrequency" average frequency "MeanWavelength" average wavelength "SpectralPlot" plot of spectral radiance verses wavelength
• Spectral radiance is returned in SI units.

# Examples

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## Basic Examples(2)

Find the spectral radiance:

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Determine spectral radiance by frequency:

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Examine the shape of spectral radiance at Quantity[100,"DegreesCelsius"]:

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Find the average wavelength:

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Discover the color of the peak wavelength:

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# See Also

Introduced in 2014
(10.0)