Physics

Problem

An electric furnace operates at

727^{\circ}\text{C}

. Estimate the wavelength (in

\mu\text{m}

) at which its emission is maximum. a)

29\,\mu\text{m}

0.29\,\mu\text{m}

2.9\,\mu\text{m}

5.8\,\mu\text{m}