A LevelPhysicsEdexcelExam Questions9. ThermodynamicsBlack Body Radiation

Black Body Radiation (Edexcel A Level Physics): Exam Questions

Exam code: 9PH0

28 mins5 questions

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Black Body Radiation

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A star of diameter D and surface temperature T has luminosity L.

What is the luminosity of a star of diameter D2 and surface temperature 2T ? 

  • L4

  • L

  • 4L

  • 16L

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