Problem 3: Two stars, M and N, from the same galaxy (at the same distance from earth) are observed to have the same luminosity (that is, they emit the same amount of energy per unit time). Star M is red, its spectrum peaks at w = 2.4 × 1015s-1 while star N is white, its spectrum peaks at w = 3.6 x 1015s-1. Assuming that both stars radiate as black body, what is the ratio of their radii?

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Problem 3:
Two stars, M and N, from the same galaxy (at the same distance from
earth) are observed to have the same luminosity (that is, they emit the
same amount of energy per unit time). Star M is red, its spectrum peaks
2.4 × 1015s-1 while star N is white, its spectrum peaks at w =
3.6 x 1015s-1. Assuming that both stars radiate as black body, what is the
at w =
ratio of their radii?
Transcribed Image Text:Problem 3: Two stars, M and N, from the same galaxy (at the same distance from earth) are observed to have the same luminosity (that is, they emit the same amount of energy per unit time). Star M is red, its spectrum peaks 2.4 × 1015s-1 while star N is white, its spectrum peaks at w = 3.6 x 1015s-1. Assuming that both stars radiate as black body, what is the at w = ratio of their radii?
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