Modern Physics
Wien's Displacement Law
The wavelength at which a blackbody emits most strongly is inversely proportional to temperature.
Variables
λmaxm
Peak wavelength
Allowed values: greater than 0
TK
Temperature
Allowed values: greater than 0
bm·K
Wien's displacement constant
Your notes
0/5000
Check value
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- T = 2 K (Temperature)
Result: λmax = 0.001449 m
Other formulas with the same quantities
- Stefan-Boltzmann Law (Thermodynamics, Heat & Temperature) shares Temperature
- Work (Isothermal Process) (Thermodynamics, First Law) shares Temperature
- Internal Energy (Ideal Gas) (Thermodynamics, First Law) shares Temperature
- Entropy Change (Thermodynamics, Second Law) shares Temperature
- Ideal Gas Law (Thermodynamics, Kinetic Theory) shares Temperature
- Ideal Gas Law (Molecular) (Thermodynamics, Kinetic Theory) shares Temperature
Where this formula is listed
- Modern Physics formulas, under Thermal Radiation.
- In the modern physics list it comes after Stefan-Boltzmann Law (Blackbody Form).
- Modern Physics formula sheet, one of 41 formulas printed with symbol keys and SI units.
- The full formula index, grouped by category and topic.
Common questions
What is the Wien's Displacement Law formula?
Wien's Displacement Law is written λ_max T = b = 2.898 × 10⁻³ m·K. The wavelength at which a blackbody emits most strongly is inversely proportional to temperature. It belongs to Modern Physics, under Thermal Radiation.
What are the units in λ_max T = b = 2.898 × 10⁻³ m·K?
In SI units, λ_max is peak wavelength, measured in m; T is temperature, measured in K; b is wien's displacement constant, measured in m·K.