" 16.Image that indicates positive magnification is "

What are the features of an image that is obtained from magnification ?

An object of height 2 cm is placed in front of a convex lens of focal length 20 cm at a distance of 15 cm from it. Find the position and magnification of the image.

An object is placed in front of a concave mirror of radius of curvature 40 cm at a distance of 10 cm . Find the position, nature and magnification of the image.

Image formation and magnification

For a virtual are erect image magnification is

An object is placed 15 cm from a convex mirror of radius of curvature 90 cm.Calculate the image position and magnification.