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A convex mirror curves outward and is thicker at the edges, while a concave mirror curves inward and is thicker at the center. Convex mirrors reflect light outwards, while concave mirrors reflect light inwards.
A real image can be projected onto a screen, while a virtual image cannot. Real images are also formed by the actual intersection of light rays, while virtual images are formed by the apparent intersection of light rays.
A converging lens is thicker in the center and causes light rays to converge, while a diverging lens is thinner in the center and causes light rays to diverge. Converging lenses are used to correct farsightedness, while diverging lenses are used to correct nearsightedness.
The focal length of a lens determines the magnification and clarity of the image. A longer focal length will produce a larger and clearer image, while a shorter focal length will produce a smaller and less clear image.
A real image can be projected onto a screen, while a virtual image cannot. Real images are also formed by the actual intersection of light rays, while virtual images are formed by the apparent intersection of light rays.