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AP Physics 2
15.4 Blackbody Radiation
AdvancedMCQGraphicalMathematical20.7k
Spectral intensity versus wavelength for Star \(X\) and Star \(Y\).
Spectral intensity versus wavelength for Star \(X\) and Star \(Y\).
The graph shows the spectral intensity as a function of wavelength for radiation emitted by two distant spherical stars, Star \(X\) and Star \(Y\), which act as ideal blackbodies. Star \(X\) has a radius equal to half the radius of Star \(Y\) (\(R_X = 0.5 R_Y\)). Based on the graph, what is the ratio of the total power radiated by Star \(X\) to the total power radiated by Star \(Y\), \(\dfrac{P_X}{P_Y}\)?

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