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Q.2 (C) OR Part 15/12/2021

Calculate the following for an industrial furnace in the form of a black body and emitting radiation at 2773K:
1) Monochromatic emissive power at 1.2μm length,
2) wavelength at which the emission is maximum,
3) maximum emissive power,
4) total emissive power, and
5) total emissive power of the furnace if it is assumed as a real furnace with emissivity equal to 0.9