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Light Reflection: Mirror Formula & Ray Diagrams › Refraction of Light

Mirror Formula, Magnification & Sign Convention

Step 2 of 4 • ⏱️ 6 min • ⚡ 15 XP
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Common Exam Traps

> **Exam Trap:** Mirror formula uses **addition** ($1/v + 1/u$) while lens formula uses **subtraction** ($1/v - 1/u$). This is the #1 mark-dropping error.
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Study Notes

~5 min read
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