When a object is placed in between principal focus and optical centre of convex lens, a _______ is formed .

Draw the ray diagram for the image formation by a convex lens, when an object is placed between principal focus Fi and optical centre o State the position, nature and size of the image.

Draw the ray diagram for the image formation by a convex lens, when an object is placed between principal focus F_(1) and optical centre O. State the position, nature and size of the image.

A virtual, erect and enlarged image is formed by a concave mirror, if the object is placed between the principal focus and centre of curvature of the mirror.

Principal focus of convex lens:

Principal focus of convex lens:

When an object is placed between F and 2F in front of a convex lens, the image formed is