Refraction, Snell's law, dispersion and total internal reflection

What this note covers

1. Refraction and refractive index
2. Snell's law calculations
3. Critical angle and total internal reflection
4. Dispersion
5. Refraction of sound, water and seismic waves
6. Ray diagrams and practical refraction
7. Exam technique for refraction

7 sections · 10 key terms & formulas · 6 common mistakes