A tungsten filament in a light source is heated to 3300 Kelvins by an electric current passing through it. It is placed above a slab of photoelectric material X. Part a) Find Amax, in nanometres, for the radiation emitted by the light source assuming a blackbody spectrum. 873 b) The filament emits p x 10¹5 photons per m³ within a band of wavelengths of width 0.05Amax centred around Amax- Find p. X 0.00000000006684
A tungsten filament in a light source is heated to 3300 Kelvins by an electric current passing through it. It is placed above a slab of photoelectric material X. Part a) Find Amax, in nanometres, for the radiation emitted by the light source assuming a blackbody spectrum. 873 b) The filament emits p x 10¹5 photons per m³ within a band of wavelengths of width 0.05Amax centred around Amax- Find p. X 0.00000000006684
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Transcribed Image Text:A tungsten filament in a light source is heated to 3300 Kelvins by an electric current passing through it. It is placed above a slab of
photoelectric material X.
Part a)
Find Amax, in nanometres, for the radiation emitted by the light source assuming a blackbody spectrum.
873
b)
The filament emits p x 10¹5 photons per m³ within a band of wavelengths of width 0.05Xmax centred around Amax. Find p.
0.00000000006684 X
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