Question

where is image formed of an object placed at the focusof a convex lens? give a ray diagram.

Answer 1

When the object is placed at the principal focus (F1)in front of a convex lens, the image formed has the
following properties.
1. The image is real.
2. The image is inverted.
3. The image is highly enlarged.
4. The image is formed at infinity on the right side of the lens.