Two opposed, parallel, infinite planes are maintained at 420 K and 480 – McqOptions

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1.	Two opposed, parallel, infinite planes are maintained at 420 K and 480 K. Calculate the net heat flux between these planes if one has an emissivity of 0.8 and other an emissivity of 0.7
A.	534.86 W/m²
B.	634.86 W/m²
C.	734.86 W/m²
D.	834.86 W/m²
Answer» D. 834.86 W/m²

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