By : Ameerhamza S B
3rd year MBBS
Shimoga Institute of Medical Sciences
Shiomga
A mirror is an object ,smooth
and well polished surface
which reflects most of the light
falling on it.
•Types of Mirrors
oPlane
oSpherical
Convex
Concave
Its erect or upright.
It is virtual.
It is laterally inverted.
It lies along a line joining
object and surface which is
perpendicular to the
surface.
Size equals object.
Its located as far behind
the reflecting surface as
the object in front of it.
CURVED MIRRORS
CONVEX
MIRROR
CONCAVE
MIRROR
 Concave or convex mirrors form part of a sphere
 POLE
 CENTRE OF CURVATURE (C)
 RADIUS OF CURVATURE (r)
 AXIS
 PRINCIPAL AXIS
 1/u+1/v = 1/f = 2/r v – dist. of image frm mirror
u – dist. of object
r – radius of curvature
 M= -v/u M - magnification
Convex- smaller image
Concave- magnified image
REFERENCE
 Comprehensive opthalmology by A.K.Khurana(6th
edition)
 Parsons’ Diseases of the Eye by Ramanjit Sihota and
Radhika Tandon(22nd edition)
THANK YOU!!!!
Types of mirrors

Types of mirrors