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AP Physics 2
15.4 Blackbody Radiation
IntermediateMCQProportional AnalysisConceptual17.1k
Radiation intensity as a function of wavelength for Star X and Star Y.
Radiation intensity as a function of wavelength for Star X and Star Y.
An astronomer analyzes the intensity spectra of blackbody radiation emitted by two stars, Star X and Star Y. As shown in the graph, the spectrum for Star X reaches peak intensity at a wavelength of \(\lambda_X = 400 \text{ nm}\), while the spectrum for Star Y reaches peak intensity at a wavelength of \(\lambda_Y = 600 \text{ nm}\). What is the ratio \(\dfrac{T_X}{T_Y}\) of the absolute surface temperature of Star X to the absolute surface temperature of Star Y?

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