Question

8. Giving reasons, state the 'signs' (positive or negative) which can be given to the following:
(a) object distance (u) for a concave mirror or convex mirror
(b) image distances (v) for a concave mirror
(C) image distances (v) for a convex mirror​

Answer 1

Answer:

Image distance is always negative for concave mirror and it is positive for convex mirror

Object distance is always positive for concave mirror and negative for convex mirror