9.1 properties of waves and light

9.2 refraction and total internal reflection

9.3 diffraction and interference of water waves

9.4 light: wave or particle?

9.5 interference of light waves: young’s double-slit experiment

10.1 interference in thin films

10.2 single-slit diffraction

10.3 diffraction grating

10.5 polarization of light

10.1 + 10.2 nature of light; wave or particle?

10.4 exposure to electromagnetic radiation