A ray of light travels from air into glass at an angle to the normal. Which describes the refracted ray?
it bends towards the normal inside the glass
it bends away from the normal inside the glass
it travels along the boundary outside the glass
it travels back along its path outside the glass
93 exam-style questions on Edexcel GCSE Physics 5.1 Reflection, refraction and lenses, covering 5.1.1 Reflection, refraction and total internal reflection, 5.1.2 Specular and diffuse reflection, 5.1.3 Colour of light: absorption and filters, 5.1.4 Lenses: power, focal length and shape, 5.1.5 Ray diagrams for converging and diverging lenses, and 5.1.6 Real and virtual images. Each one has a worked solution and a mark scheme showing where the marks go.