Question

State the position of object for a convex lens, when it is used as: 1)magnifying glass 2)photographic camera 3)cine projector 4)search light? ​

Answer 1

1) object between optic center and focus.

2) object between optic center and focus.

3) object at focus.

4)object at focus.

Answer 2

This is a hard inquiry to reply without explicit precedents, in light of the fact that my reaction would totally rely upon the inquiry.

As a rule, I would simply say "I'm sad, I don't have the foggiest idea about the response to that." If it was something that I realized how to find the solution, I would most likely promotion "yet I realize how to get it.

I'll hit you up." can comprehend being well mannered and chivalrous, particularly being Canadian, yet think about that "faking it".