Thin Lens & Images: Real, Inverted & Smaller Objects

[Glen Maverick]

Homework Statement

Under what conditions will a thin converging lens form:
a) a real image,
b) an inverted image,
and c) an image smaller than the object?

Homework Equations

none

The Attempt at a Solution

I have concluded that:
a) the object needs to be outside the focal length
b) the same
c) the objects needs to be outside twice the focal length.

I am not sure if the answers are right. Can you please check for me? Thank you!

 

[rl.bhat]

Your answers are correct.

 

[Glen Maverick]

Thank you to both Stanton and rl.bhat. I was looking for this problem. :)