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Physics
Mirrors and Lens
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Cards (8)
Vertex (V)
the
middle
portion of the
mirror
Center of
Curvature
(C)
the
center
of the sphere of which the
curved mirror
is a part.
Radius of
curvature
(r)
the distance of the center of
curvature
from the
vertex.
Principal
axis (P)
the
line
drawn passing through the vertex and the
center
of curvature.
Secondary axis (S)
a line drawn through the
center
of
curvature
to any part in the mirror.
Aperture
(A)
the
opening
of the mirror
Focus
(
F
)
the
point
where the
reflected
rays meet.
Focal length
(f)
the distance between the
focus
and the
vertex.
