Physics

Physics

Problem

Identify the approximate numerical value of the Stefan–Boltzmann constant σ\sigma used in thermal radiation calculations. a) 1.13×10−7 W m−2 K−41.13\times10^{-7}\,\text{W m}^{-2}\,\text{K}^{-4} b) 9.03×10−8 W m−2 K−49.03\times10^{-8}\,\text{W m}^{-2}\,\text{K}^{-4} c) 5.67×10−8 W m−2 K−45.67\times10^{-8}\,\text{W m}^{-2}\,\text{K}^{-4} d) 5.67×10−6 W m−2 K−45.67\times10^{-6}\,\text{W m}^{-2}\,\text{K}^{-4}

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