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     EduGorilla 
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    An opaque surface of 2 m  2 m area is considered to diffuse with an absorptivity of  = 0.43 and an emissivity of  = 0.9. The surface is maintained at 400 K and is simultaneously exposed to solar irradiation with GS = 1200 W/m2. What will be radiosity and net radiation heat transfer from the surface?

    Options :-

    1. 1306 W/m2, 3160 W
    2. 1306 W/m2, 2054 W
    3. 1990 W/m2, 2054 W
    4. 1990 W/m2, 3160 W
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