if the object was a “non-greybody” and the emissivity was a function of wavelength (not constant), how might the curves appear? Draw an example of these curves by hand.
Added by Timothy R.
Step 1
Step 1: Recall the blackbody (Planck) curve B(λ,T): it gives spectral radiance as a function of wavelength for a perfect emitter (ε = 1). Show more…
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The graph below shows the radiation emitted by a perfectly black body. Use the graph to calculate the temperature of the body. Energy Density x10¹³ (W/m²) 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 Wavelength (µm) On the graph above, sketch the curve you would expect to see for a cooler blackbody.
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