Question

What is the Wien's law for Blackbody radiation?

Answer 1

Dear Student,

Wien's displacement law states that the black body radiation curve for different temperatures peaks at a wavelength inversely proportional to the temperature which means the wavelength carrying the maximum energy is inversely proportional to the absolute temperature of a black body.

$$\begin{gathered} {\mathrm{\lambda }}_{\max }\times \mathrm{T}=\mathrm{b} \\ \mathrm{where},\mathrm{b}=\mathrm{wien}\text{'}\mathrm{s}\mathrm{displacement}\mathrm{constant} \\ \mathrm{T}=\mathrm{temperature}\mathrm{of}\mathrm{black}\mathrm{body} \\ {\mathrm{\lambda }}_{\max }=\mathrm{wavelength}\mathrm{of}\mathrm{maximum}\mathrm{intensity} \end{gathered}$$