How much k times increased irradiance surface blackbody if to increase the body temperature of T = 2100 K (the temperature of the filament carbon filament lamp) 1) T1 = 2400 K (the temperature of the tungsten filament vacuum tube) and 2) T2 = 2735 K (temperature in the gas-filled filament lamp)?
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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