Refraction

Refraction of light rays in glass slabs including total internal reflection.

Minimum deviation angle in prisms for 2 possible prism angles, and 2 refraction indices.

Refraction of rays by glass or water droplets, in two cases: for a fixed incidence point of the surface of the droplet and for parallel rays at different points, with possibility of selecting one or two reflection of the ray inside the droplet to produce ordinary of extraordinary rainbows.

Explanations in English and Spanish.