Physics

Problem

A distant star shows a peak intensity at a wavelength of

450\,\text{nm}

in its spectrum. Calculate its approximate surface temperature. a)

4.4\times 10^{3}\,\text{K}

8.9\times 10^{3}\,\text{K}

6.4\times 10^{3}\,\text{K}

3.2\times 10^{3}\,\text{K}