(a) What should be the position of the object, when a concave mirror is to be used :
(i) as a shaving mirror, and
(ii) in torches producing parallel beam of light?
(b) A man standing in front of a mirror finds his image having a very small head mid legs
of normal size. What type of mirror are used in designing such a mirror?
(a) (i) Object should be between pole and focus,
(ii) At the focus.
(b) (i) Small head - convex mirror,
(ii) Legs of normal size - plane mirror.