A small lightbulb with volume 1cm3 is heated to 2000K. Estimate the energy inside the cavity due to radiation in the wavelength range 550 to 575 nm (you may make the approximation that the energy density is a constant over the wavelength range). How many photons does this correspond to?
A small lightbulb with volume 1cm3 is heated to 2000K. Estimate the energy inside the cavity due to radiation in the wavelength range 550 to 575 nm (you may make the approximation that the energy density is a constant over the wavelength range). How many photons does this correspond to?
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Transcribed Image Text:A small lightbulb with volume 1cm3 is heated to
2000K. Estimate the energy inside the cavity due
to radiation in the wavelength range 550 to 575
nm (you may make the approximation that the
energy density is a constant over the wavelength
range). How many photons does this correspond
to?
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