Physics

Problem

A solid spherical ball of radius

5\,\text{cm}

is maintained at

1000\,\text{K}

. The ball behaves like an ideal blackbody. Calculate the total power it radiates. \newline(Use

\sigma = 5.67\times10^{-8}\,\text{W\,m}^{-2}\,\text{K}^{-4}