DATE
A black body at
1100 chas sucrounded at Roc
calculate the heat loss per unit area by radiation
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Answer: covering of thickness 2 cm and k 0.2 W/m oC. Ti = 200oCC, calculate the rate of heat loss per unit area of walls. metallic surfaces and surroundings have black body characteristics All objects emit electromagnetic radiation according to their temperature. A black body is an idealized object that absorbs all electromagnetic radiation
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