Question

al focus.
gh optical centre,
Fig. 27. Object placed beyond 2F
2, A'B' is the image.
B.
Rays from infinity
ed.
Ruler
minished.
2F,
F.
B
the optical centre,
ted.
Fig. 28. Object at infinity​

Answer 1

Answer:

where is the figure...

Answer 2

Answer:

I don't know the answer