What is the rate at which radiation is emitted by surface

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2.51 a body whose surface area is 0.5 m2 ,emissivity is 0.8 and temperature is 150 , is placed in a large evacuated chamber whose walls are at 25 c. What is the rate at whish radiation is emitted by surface in W? what is the net rate at which radiation is exchanged between the surface and cammer walls in W?

Reference no: EM13610347

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