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Calculate the rate of energy emitted from an incandescent tungsten halogen light bulb as a function...

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Physics

Calculate the rate of energy emitted from anincandescent tungsten halogen light bulb as a function ofwavelength (W/m2 per µm versus wavelength in µm). Assume thetungsten filament has a temperature of 3300 K.

c. What fraction of the total energy emitted by the bulbproduces light that we can see and what fraction is wasted as heat(λ > 800 nm)?

d. Compare total area under your emissive power plot totheoretical area. Given the total power emitted (area under curve)estimate the surface area of the tungsten filament if the bulb israted for 100 watts

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4.2 Ratings (570 Votes)
where Where isemissivity h plancks constantc velocity of light Ttemerature in K k boltzman    See Answer
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