Page 280 - text book form physics kssm 2020

Table 6.16 Position and characteristics of images by a concave mirror

Characteristics
Object position Ray diagram Image position
of image
Object at infi nity • Image distance: • Real
v = f • Inverted
C F P
• In front of mirror • Diminished
I
Object beyond C O • Image distance: • Real
(u 2f ) f v 2f • Inverted
F P
C • In front of mirror • Diminished
I

Object at C O • Image distance: • Real
(u = 2f ) v = 2f • Inverted
P
C F • In front of mirror • Same size as object
I

Object between F • Image distance: • Real
and C C O v 2f • Inverted
( f u 2f ) • In front of mirror • Magnifi ed
F P
I

Object at F • Image at infi nity • Virtual
(u = f ) O • Behind mirror • Upright
C • Magnifi ed
F P

Object between F I • Image distance: • Virtual
and P O v u • Upright
(u f ) C • Behind mirror • Magnifi ed
F P

Table 6.17 Position and characteristics of images by a convex mirror
Characteristics
Object position Ray diagram Image position
of image
Object beyond F O • Image distance: • Virtual
(u f ) I v f • Upright
• Behind mirror • Diminished
F' P F C

Object between F O • Image distance: • Virtual
and P I v f • Upright
(u f ) • Behind mirror • Diminished
F' P F C

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274 6.6.1
6.6.1