Answer to Question #148427 in Physics for Niamh Daly McManus

Question

Calculate the heat radiated into a room at by a filament lamp, with a surface area
of 2 × 10-6 m2, an emissivity of 0.85 and a temperature of 2,500K. In doing this
calculation you can neglect the heat radiated back by the room at the lamp – why is this?

Answer 1

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