A thin lens produces an upright image of the same size as the object. Then from the optical centre of the lens, the distance of the object is .

A convex lens forms a real and inverted image of a pencil at a distance of 40 cm from the lens. The image formed is of the same size as the object Find the focal length and power of the lens. At what distance is the : object placed from the lens?

A convex lens forms a real and inverted image of a pencil at a distance of 40 cm from the lens. The image formed is of the same size as the object Find the focal length and power of the lens. At what distance is the : object placed from the lens?

A convex lens forms a real image of pencil at a distance of 50 cm from the lens . The image formed is of the same size as the object . Find the focal length and power of the lens. At what distance is the pencil placed from the lens ?

A convex lens forms a real and inverted image of a pencial at a distance of 60 cm from the lens. The image formed is of the same size as the object. Find the focal length and power of the lens. At what distance is the pencil placed from the lens. ?

A convex lens produces a real image m times the size of the object. What is the distance of the object from the lens ?

A lens produces a virtual image between the object and the lens. Name the lens.

A convex lens produces a real image m times the size of the object. What will be the distance of the object from the lens ?

A convex lens produces a real image m times the size of the object. What will be the distance of the object from the lens ?