Edexcel A Level Physics

Topic Questions

A LevelPhysicsEdexcelTopic Questions9. ThermodynamicsBlack Body Radiation

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 D over 2 and surface temperature 2T ? 

  • L over 4

  • L

  • 4 L

  • 16 L

Choose your answer

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