Question

Observe the figures and answer the questions.
1. An object is placed beyond 2F as shown in
Figure (a).
a. Before beginning to locate an image
position, what information do you
require?
​

Answer 1

Answer:

we need to know where it is

I hope this helps you.

Answer 2

Answer:

We would need another ray passing through the Optical center to correctly locate the image.

(But we know that if the object is placed beyond $2F_{1}$ then the image would be formed between F and $2F_{2\\}$.)

Thank you, Hari Om!

pls do mark as brainleist...