A diverging lens is one which

A diverging lens (A) is one that spreads rays of light. Also known as a concave lens, it is thinner at the center than at the edges. When parallel rays of light pass through a diverging lens, they are refracted and diverge away from a focal point on the same side as the object. Unlike a converging lens, which forms a real image where light rays converge, a diverging lens forms a virtual image. This virtual image appears to be located on the same side of the lens as the object, and it cannot be projected onto a screen. Instead, the light rays appear to diverge from the virtual image point, giving the impression of an image that is smaller and upright compared to the object. Diverging lenses are used in various optical devices, such as eyeglasses for correcting nearsightedness (myopia), where the lens helps to spread out light rays before they enter the eye, allowing for clearer vision by adjusting how light converges within the eye.