The Laws Governing the Energy Flux F and Wavelength of Maximum

Multiple Choice

The laws governing the energy flux F and wavelength of maximum intensity $\lambda$ _max of emitted radiation from a hot, dense body whose temperature is T (where $\sigma$ and a are constants) are given by

A) F = $\sigma$ T, $\lambda$ _max = a/T⁴ .
B) F = $\sigma$ T⁴, $\lambda$ _maxT = a.
C) F = $\sigma$ T⁴, $\lambda$ _max = aT.
D) F = $\sigma$ T², $\lambda$ _maxT = a.