Calculating the critical angle

Physics · A-Level · Edexcel · Edexcel A-level Physics — 9PH0 · Specification point · 72 · Waves and Particle Nature of Light

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Students should:
$\sin C=\frac{1}{n}$

Calculating the critical angle (72) | Edexcel A-level Physics — 9PH0 | KnowledgeSet