Solution:
(a) Concave lens is a lens that forms the image between the object and itself.
(b) This figure shows the ray diagram
(c) The three characteristics of the image are
(i) virtual,
(ii) erect and
(iii) diminished.
A lens always forms an image between the object and the lens. (a) name the lens. (b) Draw a ray diagram to shown the formation of such an image. (c) state three characteristics of the image.