Find the nature of image when an object is placed at 2f from the pole of a convex mirror of focal length f

The magnificationof the image when an object is placed at a distance x from the principle focus of a mirror of focal length f is

An obejct is placed at a distance 2f from the pole of a convex mirror of focal length f . The linear magnification is

An object is placed at 20 cm from a convex mirror of focal length 10 cm. The image formed by a mirror is

An object is placed at a distance 20 cm from the pole of a convex mirror of focal length 20 cm. The image is produced at

An object is placed at a distance 20 cm from the pole of a convex mirror of focal length 20 cm. The image is produced at

What will be the magnification of an object placed at 2f from the pole of the of the convex mirror?