Question text
19 An object O is placed in front of a lens. The ray diagram shows the paths of two light rays that start at the tip of the object. position of lens O P Q Which point P or Q is a principal focus and what type of image is formed? principal focus type of image formed A point P real B point P virtual C point Q real D point Q virtual
19 An object O is placed in front of a lens.
The ray diagram shows the paths of two light rays that start at the tip of the object.
position of lens
O
P Q
Which point P or Q is a principal focus and what type of image is formed?
principal focus type of image formed
A point P real
B point P virtual
C point Q real
D point Q virtual
Select your answer: