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the peak wavelength of the suns light is 500nm . What is the approximate temperature of the suns surface?

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1 Answer

Use Wien's displacement law.  Are you familiar with it?
 
λmaxT = 0.2898 x 10-2 m·K
 
λmax = peak wavelength = 500 x 10-9 m
 
T = (0.2898 x 10-2 m·K)/λmax = (0.2898 x 10-2 m·K)/(500 x 10-9 m) = 5796 K