A black metal plate of area is maintained at

PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

A black metal plate of area 0.20 m20.20\,\text{m}^2 is maintained at 800 K800\,\text{K}. Calculate the radiant power it emits. Take σ=5.67×10−8 W m−2 K−4\sigma = 5.67\times10^{-8}\,\text{W m}^{-2}\,\text{K}^{-4}.

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