Physics · Oct / Nov 2022 · Paper 12 · Question 23

A ray of light in water is refracted at the surface into air. [diagram: air/water boundary with incident and refracted rays] Which diagram shows the angle of incidence $i$ and the angle of refraction $r$?

1. A[diagram A: angle r above surface, angle i below surface]
2. B[diagram B: angle r above surface, angle i below surface]
3. C[diagram C: angle r above surface, angle i below surface]
4. D[diagram D: angle r above surface, angle i below surface]

As printed in the paper