Answer:38.68 K
Explanation:
Given
[tex]\lambda =75000nm[/tex]
wien's displacement law result gives us the relation between temperature and wavelength like
[tex]\lambda[/tex][tex]\times T[/tex]=2898
[tex]75000\times 10{-9}\times T=2898\times 10^{-6} [/tex]
T=38.64 K
