A convex mirror forms an image one-fourth the size of the object. If object is at a distance of 0.5 m from the mirror the focal length of the mirror is

A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it . Find the focal length of the mirror.

An object is at a distance of 5 m from a convex mirror of focal length 10 cm.Where is he image formed ?

A concave mirror forms a virtual imageof size twice that of the object placed at a distance 5 cm from it. Find: a. the focal length of the mirror b. position of image.

When an object is placed at a distance of 40 cm from a concave mirror, the size of image is one fourth that of the object. A. Calculate the distance of image from the mirror b. What will be the focal length of the mirror?

An object is placed in front of a concave mirror at a distance of 7.5 cm from it. If the real image is formed at a distance of 30 cm from the mirror, find the focal length of the mirror. What would be the focal length if the image is virtual.

An object is placed in front of a concave mirror at a distance of 7.5 cm from it. If the real image is formed at a distance of 30 cm from the mirror, find the focal length of the mirror. What would be the focal length if the image is virtual.

An object is placed in from of a convex mirror of focal length 50 cm, if the image is one fourth the size of the object, the distance of the image from the mirror is