A concave lens forms the image of an object such that the distance between the object and image is `10 cm` and the magnification produced is `1//4`. The focal length of the lens will be

A concave lens forms the image of an object such that the distance between the object and image is 10cm and the magnification produced is 1/4. The focal length of the lens will be

A cocave lens forms the image of an object such that the distance between the object and image is 10 cm and the magnification produced is 1/4. the focal length of the lens will be

A cocave lens forms the image of an object such that the distance between the object and image is 10 cm and the magnification produced is 1/4. the focal length of the lens will be

when an object is kept in frnt of a convex lens the distance between it and the real image is 54 cm. if the magnification produced is 2, the focal length of the lens is

when an object is kept in frnt of a convex lens the distance between it and the real image is 54 cm. if the magnification produced is 2, the focal length of the lens is

The distance between an object and its real image formed by a lens is D. If the magnification is m , the focal length of the lens is

The distance between the object and real image formed by a lens is D . If the magnification is m , then the focal length of the lens is given by :

An object and the image obtained from the lens are as given above. If the distance between the object and the image is 36 cm and the magnification is -2, find the focal length of the lens and draw the ray diagram to show the position of the lens.