Question text
21 An object O is placed near to a thin converging lens. The diagram shows three rays of light from the object passing through the lens. principal axis S O P Q R Which row describes the image formed and gives the position of a principal focus (focal point) of the lens? position of image formed principal focus A real R B real Q C virtual P D virtual S
21 An object O is placed near to a thin converging lens.
The diagram shows three rays of light from the object passing through the lens.
principal axis
S
O
P Q R
Which row describes the image formed and gives the position of a principal focus (focal point) of
the lens?
position of
image formed
principal focus
A real R
B real Q
C virtual P
D virtual S
Select your answer: