Light travels more quickly through water than through glass.
a) Which is optically denser: water or glass?
b) If a ray of light passes from glass into water, which way will it bend: towards the normal or away from the normal?
Light travels more quickly through water than through glass.
a) Which is optically denser: water or glass?
b) If a ray of light passes from glass into water, which way will it bend: towards the normal or away from the normal?

a) Glass has a higher optical density than water.

b) When a beam of light passes through glass and enters water, it bends away from the typical path.