Module 5 Flashcards
Has infinite radius
PLANE OR FLAT MIRRORS
Has finite curvature
CURVED MIRRORS
surface is a portion of a sphere and all normals pass thru a single point
SPHERICAL MIRRORS
curves inward and is called the converging mirror
CONCAVE SPHERICAL
curves outward and is called the diverging mirror
CONVEX SPHERICAL
It is the inability of both the
paraxial and peripheral rays to come
to a single focus
PHERICAL ABERRATION
A ray of light parallel to the principal axis
is reflected passing through or as if coming
from the principal focus
1st Behavior of Light
A ray of light passing through or
directed towards the principal focus is
reflected parallel to the principal axis
2nd Behavior of Light
A ray of light passing through or
directed towards the center of curvature
is reflected back along its own path.
3rd Behavior of Light
The point in the centre of the mirror passes through the curve of the mirror and has the same tangent and curvature at that point.
Center of Curvature
It’s the linear distance between the pole and the centre of curvature.
Radius of Curvature
The imaginary line passes through the optical centre and the centre of curvature of any lens or a spherical mirror.
Principal Axis
The midpoint of the spherical mirror.
Pole or Vertex
a point from which the reflection of light actually happens.
Aperture
It’s on the axis of a mirror or lens wherein rays of light parallel to the axis converge or appear to converge after reflection or refraction.
Principal Focus
