A ray of light passes from air into a block of glass. Does it bend towards the normal or away from it?

Name the phenomenon due to which a swimming pool appears less deep than it really is.

When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?

As light rays pass from water into glass, are they refracted towards the normal or away from the normal?

In which material do you think light rays travel faster-glass or air?