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  3. a thin tungsten wire (i.e. a filament) is heated t

A thin tungsten wire (i.e. a filament) is heated to a given temperature T. In the...

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Mechanical Engineering

A thin tungsten wire (i.e. a filament) is heated to a giventemperature T. In the visible range (i.e. wave length between0.39µm and 0.77µm), Determine the following for the four caseslisted below:

(a) the band fraction of emitted radiation energy

(b) the blackbody radiation energy emitted

The four cases correspond to to following values of T: (i)T=500K (ii) T=1500K (iii)T=2500K (iv) T=3500K

The melting temperature of tungsten is 3698K. Show allcalculation details.

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