Physics

Problem

A blackbody is initially at a temperature where the peak wavelength of its emission is 450 nm. It is cooled until its power output per unit area becomes one-third of the original value. Find the new value of

\lambda_{\text{max}}

. a)

370\,\text{nm}

680\,\text{nm}

593\,\text{nm}

342\,\text{nm}

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