Question

What is the characteristic of image formed by a convex lens that is placed at the focal length of the lens?

Answer 1

Answer:

Image Characteristics for a Convex Lens

Object Position Image Position Image Characteristics

At F At infinity Infinitely big

Moving from F toward lens Moving from -infinity toward lens Decreasing in size, virtual, upright, larger than the object

As long as the image as real the ray diagram is reversible. An object at point A creates an image at point B, while an object at point B creates an image at point A.

Explanation:

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Answer 2

Answer:

As long as the image as real the ray diagram is reversible.