3.2.2 — Refraction of light

Core

3.2.2.1 — Define and use normal, angle of incidence and angle of refraction
3.2.2.2 — Describe an experiment showing refraction through transparent blocks
3.2.2.3 — Describe the passage of light through transparent materials at boundaries
3.2.2.4 — State meaning of critical angle

3.2.2.5 — Describe internal reflection and total internal reflection with examples
3.2.2.6 — Define refractive index as ratio of wave speeds in two media
3.2.2.7 — Recall and use n = sin(i) / sin(r)
3.2.2.8 — Recall and use n = 1 / sin(c)
3.2.2.9 — Describe use of optical fibres, especially in telecommunications