Parallel rays of light of intensity `I=912 WM^-2` are incident on a spherical black body
Channel: Doubtnut
Date: 2020-07-05

Parallel rays of light of intensity `I=912 WM^-2` are incident on a spherical black body kept in surroundings of temperature 300K. Take Stefan-Boltzmann constant `sigma=5.7xx10^-8`  `Wm^-2K^-4` and assume that the energy exchange with the surroundings is only through radiation. The final steady state temperature of the black body is close to