Draw a labelled diagram of the human eye. Label the following parts on this diagram: Cornea, Iris, Pupil, Ciliary muscles, Eye-lens, Retina, Optic nerve, Blind spot.

Draw a labelled diagram showing how a plane mirror forms an image of a point object placed in front of it.

State the characteristics of the image formed in a plane mirror.

What are the functions of the following parts of the eye?

(a) Iris

(b) Eye-lens

(c) Ciliary muscles

(d) Retina

(e) Optic nerve

The angle of reflection is equal to the angle of incidence: