A 100-WW incandescent light bulb has a cylindrical tungsten filament28.0 cmcm long, 0.39 mmmm in diameter, and with an emissivity of 0.28. a) What is the temperature of the filament? b)For what wavelength does the spectral emittance of the bulb peak? c) Incandescent light bulbs are not very efficient sources of visible light. Explain why this is so. Science Physics PHYS 157
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A 100-WW incandescent light bulb has a cylindrical tungsten filament 28.0 cmcm long, 0.39 mmmm in diameter, and with an emissivity of 0.28. a) What
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