Draw the diagram in each case to show the position and nature of the image formed when the object is placed.
(i) At the centre of curvature of a concave mirror.
(ii) Between the pole P and focus F of a concave mirror.
(iii) In front of a convex mirror.
(iv) At 2F of a concave lens.
(v) In front of a concave lens.

Explanation

(i)
Nature of image : Real, inverted and same size image is formed at the centre of curvature.
(ii)
Nature of image : Virtual, enlarged and erect image is formed behind the mirror.
(iii)
Nature of image : Virtual, erect and diminished, image is formed behind the mirror.
(iv)
NAture of image : Real, inverted and size to size, image is formed at 2F on the side of forms.
(v)
Nature of image : virtual, erect and diminished image is formed between O and F on the same side of object.