Draw diagrams to show regular reflection of light and diffuse reflection of light.

Which of the following will cause regular reflection of light and which diffuse reflection of light?

(a) Polished wooden table          (b) Chalk powder
(c) Cardboard                             (d) Mirror
(e) Paper                                     (f) Marble floor with water spread over it.

Draw a diagram to show the reflection of light from a plane mirror. Label the following on the diagram:

(a) Plane mirror      (b)Incident ray       (c)Reflected ray       (d)Point of incidence         (e)Normal        (f)Angle of incidence       (g)Angle of reflection

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.