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Luminosity, intensity and distance
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From power to luminosity and intensity

From power to luminosity and intensity

A star emits electromagnetic radiation, and its luminosity LLL is the total power it emits. Because power is energy transferred each second, luminosity is measured in watts.

Luminosity, intensity and distance Lesson

  1. AS Level
  2. /Physics
  3. /Luminosity, intensity and distance

Step-by-step lessons on Edexcel AS Level Physics Luminosity, intensity and distance. Each one builds up to exam-style questions.

Lessons