A virtual erect image by a diverging lens is repesented by (`u` ,`v` ,`f` , are coordinates)

For a virtual are erect image magnification is

A virtual, erect, diminished image can be produced by a

A Galilean telescope obtains the erect final image by using a diverging lens of focal length 7.5 cm instead of an intermediate erecting lens. If the focal length of the objective is 150 cm, what is the separation between the objective and the eyepiece?

Draw they ray diagram showing the position of the object and image , to get the virtual erect image , to get the virtual erect image whose size is enlarged by using convex lens.

If a virtual, erect and enlarged image is formed by a lens, then which of the following options are correct?

A 50 cm tall object is at a very large distance from a diverging lens. A virtual, erect and diminished image of the object is formed at a distance of 20 cm in front of the lens. How much is the focal length of the lens?