Question

how does the wavelength of maximum intensity in the blackbody spectrum vary with absolute temperature of the blackbody?
A) T.
B) 1/T
C) 1/T square
D) T cube​

Answer 1

A blackbody emits radiation of all wavelengths. A plot of the intensity of emitted radiation (energy per unit area per unit time) for various wavelengths is called the blackbody spectrum. The intensity of emitted radiation in a wavelength range (λ,λ+dλ)(λ,λ+dλ)increases with the increase in temperature for all wavelengths. However, at a given temperature TT, the intensity is low for small wavelength, increases to a maximum value at a wavelength λmaxλmax, and then decreases as wavelength increases further.