The filament of a light bulb has a temperature of 296e3
The filament of a light bulb has a temperature of 2.96E+3 °C and radiates 50 watts of power. The emissivity of the filament is 0.376. Find the surface area of the filament.
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the filament of a light bulb has a temperature of 296e3 degc and radiates 50 watts of power the emissivity of the
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a pair of slits separated by0150mm is illuminated by light having a wavelength of586nm an interference pattern is
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