1
Q
❖ optical axis
❖ line joining C and V
A
Principal Axis
2
Q
❖ C
❖ center of the sphere where
the mirror was taken
A
CENTER of CURVATURE
3
Q
❖ V
❖ center of the mirror
❖ pole of the mirror
A
Vertex
4
Q
❖ R
❖ radius of the sphere
❖ distance between C and V
A
RADIUS of CURVATURE
5
Q
❖ width of the mirror
A
APERTURE
6
Q
❖ F
❖ point where the reflected rays meet in a
concave mirror
❖ point where the reflected rays seem to
come from behind a convex mirror
A
Focus
7
Q
❖ f
❖ distance between F and V
❖ ½ of the radius of the
curvature
A
FOCAL LENGTH
8
Q
❖ converging mirror
❖ the reflecting surface is the
inner surface of the sphere
A
CONCAVE MIRROR
9
Q
❖ diverging mirror
❖ the reflecting surface is the
outer surface of the sphere
A
CONVEX MIRROR
10
Q
A
Science G10
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