According to Wien's Law, if the surface temperature is increased by a factor of 2, what will happen to its peak wavelength?
1 Answer
Jun 14, 2017
Maybe you ought to read this first:
https://socratic.org/questions/hot-objects-with-temperatures-of-10-million-kelvin-give-off-most-of-their-radiat
Then, we find that Wien's displacement law for blackbody radiation is:
#lambda_(max) = (2.8977729 xx 10^(-3) "m"cdot"K")/T#
Hence, plug in
#lambda_(max)' = (2.8977729 xx 10^(-3) "m"cdot"K")/(2T)#
#= color(blue)(1/2) lambda_(max)#
Clearly, the peak wavelength has halved, as the peak wavelength is inversely proportional to the surface temperature.