Question #269119

What is the radiant emittance of a black body at


a temperature of 400K ?[o is 5.672×108 MKS unit]

Please give answer in watt per meter square


1
Expert's answer
2021-11-21T17:27:49-0500

Re=σT4=5.67⋅10−8⋅4004=1452 (W/m2)R_e=\sigma T^4=5.67\cdot10^{-8}\cdot400^4=1452\ (W/m^2)


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