Whats the temperature of the sun

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Question What's the temperature of the sun? As discussed in class, λ_Max, the wavelength of the peak of the Black-Body radiation spectrum (in nanometers) of an object can be related to its temperature T (in Kelvin) using Wien's law as λ_Max = b/T Where b = 3 ×10^6 is a constant in units of nm K (where nm is nanometers and K is degrees Kelvin). Look at the spectrum from the Sun below (on the x-axis we have wavelength, and the y-axis we have spectral irradiance, or "the amount of light that's emitted at that given wavelength"):

a) From the graph, estimate λ_Max , the wavelength at which the spectral irradiance is maximal, for the Sun.

b) What expression would I use to compute T if I know b and λ_Max?

c) Use your expression to compute T for the Sun.

Reference no: EM133366493

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