Intensity, luminosity and distance (156) | Edexcel A-level Physics — 9PH0 | KnowledgeSet

Intensity, luminosity and distance

Physics · A-Level · Edexcel · Edexcel A-level Physics — 9PH0 · Specification point · 156 · Space

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Students should:
$I=\frac{L}{4\pi d^2}$