When a ray of light travel from air to glass, it bends ___the normal.
When a light ray travels from air to glass, where does it bend?
When a light ray passes from air into glass, what happens to its speed ? Draw a diagram to show which way the ray of light bends.
When a ray of light from air enters a denser medium, it :
(a) bends away from the normal
(b) bends towards the normal
(c) goes undeviated
(d) is reflected back.