An object 20 cm from a spherical mirror gives rise to a virtual image 15 cm behind the mirror. Determine the magnification of the image and the type of mirror used.

An object placed 20 cm in front of a convex mirror is found to have an image 15cm behind the mirror. Find the focal length of the mirror.

When an object of height 10 cm is placed at 6 cm from a concave mirror, its image is obtained at 24 cm behind the mirror. Find the magnification produced by the mirror and the height of the image.

An object is placed at a distance of 25 cm from a spherical mirror, its image is formed behind the mirror at a distance of 5 cm. The focal length and type mirror is

An object is placed at a distance of 25 cm from a spherical mirror, its image is formed behing the mirror at a distance of 5 cm. The focal length and type mirror is

An object is placed 20 cm in front of a mirror is found to have image 15 cm (a) in front of it, (b) behind the mirror. Find the focal length of the mirror and the kind of mirror in each case.

A perticular spherical mirror forms images of the same size when the objects are placed 8 cm and 16 cm from the pole of the mirror. Determine the nature and focal length of the mirror. Also determine the magnification of the image.

The image formed by a spherical mirror is virtual. The mirror will be.

An object is placed at a distance of 25 cm from a concave mirror and a real image a formed by the mirror at a distance of 37.5 cm. The magnification of the image will be