For a concave mirror of focal length f, image is 2 times larger. Then the object distance from the mirror can be

Image formed by a concave mirror of focal length 6 cm , is 3 times of the object, then the distance of object from mirror is

A concave mirror of focal length f produces a real image n times the size of the object. The distance of the object from the mirror is

We wish to obtain an erect image of an object using a concave mirror of focal length of 15 cm. What should be range of distance of the object from the mirror ? What is the nature of the image ? Is the image larger or smaller than the object ?

If a concave mirror of focal length f produces a real image n times the size of the object,then find the distance of the object from the mirror.

We wish to obtain an erect image of an object by using a concave mirror of focal length 10 cm. What should be the distance of the object from the concave mirror ? Is the image real or virtual ? Is the image larger or smaller than the object ?