A ray of light goes from water into air. Will it bend towards the normal or away from the normal?

A ray of light travelling in glass emerges into air. State whether it will bend towards the normal or away from the normal.

A ray of light travelling in air enters obliquely into water. Does the ray of light bend towards the normal or away from the normal? Why?

State two effects caused by the refraction of light.

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