The laws governing the energy flux F and wavelength of maximum intensity λ_max of emitted radiation from a hot, dense body whose temperature is T are given by (where σ and a are constants): A)F = σT ², λ_max T = a. B)F = σT ⁴, λ_max T = a. C)F = σT, λ_max = a/T ⁴. D)F = σT ⁴, λ_max = aT.

Question

Quizplus · Accepted Answer

The correct laws are Stefan-Boltzmann Law, which states that the energy flux $F = \sigma T^4$, and Wien's Displacement Law, which states that the product of the wavelength of maximum intensity $\lambda_{max}$ and the temperature $T$ is a constant, hence $\lambda_{max} T = a$.

The Laws Governing the Energy Flux F and Wavelength of Maximum