Question

To obtain a virtual image by a concave mirror, the object should be placed between ___________and_________.

• A. pole
• B. focal point

Answer 1

When the object is between the pole and the focal point of a concave mirror

Where F is focal point, OA is object, IB is image, P is pole.

The image formed is,

1. virtual
2. erect
3. bigger than the object and appear to form behind the mirror.

Hence, To obtain a virtual image by a concave mirror, the object should be placed between the pole and the focal point.