Of the following distances, which is the closest an object can be to a lens of focal length f and still produce a real image? (Note this is not the smallest possible distance, just the smallest of the provided choices.)
A) 3f
B) 2f
C) 1.2f
D) 0.8f
E) 0.49f

Question

Quizplus · Accepted Answer

The Answer of Of the following distances, which is the closest an object can be to a lens of focal length f and still produce a real image? (Note this is not the smallest possible distance, just the smallest of the provided choices.)
A) 3f
B) 2f
C) 1.2f
D) 0.8f
E) 0.49f

Of the Following Distances, Which Is the Closest an Object