kerimNP
contestada

Assuming that the tungsten filament of a lightbulb is a blackbody, determine its peak wavelength if its temperature is 3 200 K.

Respuesta :

Answer:

the peak wavelength when the temperature is 3200 K = [tex]9.05625*10^{-7} \ m[/tex]

Explanation:

Given that:

the temperature = 3200 K

By applying  Wien's displacement law ,we have

[tex]\lambda _m[/tex]T = 0.2898×10⁻² m.K

The peak wavelength of the emitted radiation at this temperature is given by

[tex]\lambda _m[/tex] = [tex]\frac{0.2898*10^{-2} m.K}{3200 K}[/tex]

[tex]\lambda _m[/tex]= [tex]9.05625*10^{-7} \ m[/tex]

Hence, the peak wavelength when the temperature is 3200 K = [tex]9.05625*10^{-7} \ m[/tex]