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Back to 6.1 Blackbody Radiation

6.1 Exercise 3

Avg difficulty 2.5

Suppose that two stars, α\alpha and β,\beta , radiate exactly the same total power. If the radius of star α\alpha is three times that of star β,\beta , what is the ratio of the surface temperatures of these stars? Which one is hotter?

OpenStax University Physics Volume 3, 6.1 Blackbody Radiation, exercise 3

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Adapted from University Physics Volume 3 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 3. Imported at revision db44eb9.