Virtual Object

Assertion : Focal length of a convex mirror is 20 cm. If a real object is placed at distance 20 cm from the mirror, its virtual erect and diminished image will be formed. Reason : If a virtual object is placed at 20 cm distance, its image is formed at infintiy.

Which spherical mirror forms a virtual, erect and smaller image of an object ?

The image formed by a concave mirror is virtual, erect and magnigied. The position of object is :