Task 50189.
Muffle furnace consumes a power of 1 kW. The temperature of the inner surface in the open hole of 25 cm ^ 2 is equal to 1200 K. Assuming that the opening of the furnace radiates as a black body, to determine what part of the power dissipated walls.
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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