Is Wien's Law Applicable to All Materials and Conditions?

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SUMMARY

Wien's Law, expressed as λ = b/T, applies universally to all materials above absolute zero (0 Kelvin), indicating that all materials radiate thermal energy. The discussion clarifies that while all materials emit radiation, the peak frequency of this radiation may not always correlate directly with temperature for certain materials. Specifically, colored materials that are heat-resistant can exhibit deviations from the ideal blackbody spectrum, which is a critical consideration in thermal radiation studies.

PREREQUISITES
  • Understanding of Wien's Law and its formula λ = b/T
  • Knowledge of thermal radiation and blackbody radiation concepts
  • Familiarity with materials science, particularly heat-resistant materials
  • Basic principles of thermodynamics and temperature scales
NEXT STEPS
  • Research the implications of Wien's Law in materials science
  • Study the characteristics of blackbody radiation and deviations in real materials
  • Explore the properties of heat-resistant colored materials and their thermal behavior
  • Investigate advanced topics in thermodynamics related to thermal radiation
USEFUL FOR

Physicists, materials scientists, and engineers interested in thermal radiation, as well as students studying thermodynamics and material properties.

stackprogramer
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wein law talk in temperature upper 0 kelvin the mass have radiate that lenghth wave is λ=b/T
my question is this rule is true for all elements all products and all condition!
wiens_law.gif
 
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https://www.physicsforums.com/search/2083989/?q=wien%27s+law&o=relevance
 
thanks,ok,i will read your link.my question is has it exclusion in nature?
 
has Wien's displacement law exclusion??my mean is is there a material that in upper of 0 kelvin don't radiate any wave from itself,please help,thanks very much
 
stackprogramer said:
my mean is is there a material that in upper of 0 kelvin don't radiate any wave from itself
Such a material does not exist.

There are materials where the position of the peak (as frequency) is not proportional to temperature, but this is a completely different question.

Edit: I merged the two threads.
 
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Such a material does not exist.

There are materials where the position of the peak (as frequency) is not proportional to temperature, but this is a completely different question.
please me introduce these materials,"here are materials where the position of the peak (as frequency) is not proportional to temperature"
 
All colored materials that are heat-resistant enough, for example.
You just need some deviation from a blackbody spectrum, and nearly no object is a perfect blackbody.
 

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