Calculate the energy density in the range 650 nm to 655 nm inside a cavity at (a) 25 °C, (b) 3000 °C. For this relatively small range of wavelength it is acceptable to approximate the integral of the energy spectral density ρ(λ,T) between λ1 and λ2 by ρ(λ,T)×(λ2 − λ1).
Calculate the energy density in the range 650 nm to 655 nm inside a cavity at (a) 25 °C, (b) 3000 °C. For this relatively small range of wavelength it is acceptable to approximate the integral of the energy spectral density ρ(λ,T) between λ1 and λ2 by ρ(λ,T)×(λ2 − λ1).
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Calculate the energy density in the range 650 nm to 655 nm inside a cavity at (a) 25 °C, (b) 3000 °C. For this relatively small range of wavelength it is acceptable to approximate the integral of the energy spectral density ρ(λ,T) between λ1 and λ2 by ρ(λ,T)×(λ2 − λ1).
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