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A diverging lens is a type of lens that causes light rays to spread out, or diverge, as they pass through it. It is thicker at the edges and thinner in the middle, and is commonly used in eyeglasses and cameras.
A diverging lens works by refracting, or bending, light rays as they pass through it. The shape of the lens causes the light rays to spread out, resulting in a wider image. This is opposite of a converging lens, which brings light rays together to create a narrower image.
The properties of a diverging lens include a negative focal length, virtual and upright images, and a decreased magnification. It also has a smaller field of view and a wider depth of field compared to a converging lens.
The focal point of a diverging lens is determined by the curvature and thickness of the lens. It is the point where parallel light rays would converge if they were extended backward through the lens. The focal point is located on the opposite side of the lens from the object being viewed.
Diverging lenses have many practical applications, including correcting nearsightedness, creating wide-angle views in cameras, and producing smaller, more focused beams of light in scientific equipment. They are also commonly used in telescopes and microscopes.