Refractive index 4.0 / 5 based on 1 rating ? PhysicsMedical PhysicsGCSEAQA Created by: EllieCreated on: 23-04-14 15:51 5762314 Across 1. In the equation N= sin I / Sin R... what does N stand for? (10, 5) 7. 90 degree line (6, 4) Down 2. In the equation N= sin I / Sin R... what does I stand for? (5, 2, 9) 3. Caused by waves changing speed & direction (10) 4. which substance does light travel faster in? Air or Tin (3) 5. materials that cause light to slow down (5, 7) 6. In the equation N= sin I / Sin R... what does R stand for? (5, 2, 10)
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