1. A sphere of surface area 100 m and temperature 500 K radiates 0.2 MW. Calculate:a. The emissivity of the surface.b. The peak wavelength of radiation emitted.C. The intensity at a distance of 100m from the centre.d. The energy absorbed per second by a 2m disc with albedo 0.6 placed with it's planeperpendicular to the direction of the radiation.e. The temperature of the disc when it reaches equilibrium (emissivity of the disc = 1).P= eAoTA = 0.00289/TG- 5.67 x 10* Wm°K*Page 1 1 1Q +

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Answered: 1. A sphere of surface area 100 m and…

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