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In 1 8 9 7 , Wilhelm Wien derived a formula for blackbody radiation ( using thermodynamic arguments ) that for a time was believed

In 1897, Wilhelm Wien derived a formula for blackbody radiation (using thermodynamic arguments) that for a time was believed to be correct. His formula, the Wien distribution law, is
MW(,T)d=2hc25exp(-hckT)d
a) Starting with eq 3.1, find the expression for Mw(v,T)dv(Hint: You will have to substitute both for and for d.)
b) Using your answer to part a, find an expression for the total intensity of light predicted to be emitted by a blackbody according to Wien's distribution law.
)
(u,T
Does your result agree with the Stefan-Boltzmann expression ((:M(T)=T4}? If so, find the value predicted for (in units of Wm2*K4, recalling that W= watt =Js).(Note: In principle we could find MW(T) by integrating eq 3.1, but in practice it is easier to do the integration over v rather than over .)
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