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Lag1989 problem number 23.4
Sold: 2
last one 81 days ago
Refunds: 0
Uploaded: 31.10.2022
Content: L23_4_idz-student_.pdf 29,52 kB
Refunds: 0
Uploaded: 31.10.2022
Content: L23_4_idz-student_.pdf 29,52 kB
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What is the power of the light bulb, the temperature of the tungsten filament is T = 2650 K? The ratio of the energy luminosity of the thread to the energy luminosity of an absolutely black body at a given temperature is k = 0.31. The area of the radiating surface S = 47mm².
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