[单选题]
An object has a surface a0ij3y ,b6o4lf; ycrxx rea, ;):wr(n 6 s+gacw2fi mkmjts of $2.0\,m^2$ and emissivity $e=0.5$. The object emits electromagnetic radiation of peak wavelength $2.90\times10^{−5}\,m$. What is the best estimate for the energy radiated by the object in one second?