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When light rays come together, they converge at a focal point. This occurs when light travels through a convex lens or reflects off a concave mirror. The point where the light rays meet is where the image appears to be located.
The point at which light rays parallel to the optical axis come together or appear to come together after passing through a lens is known as the focal point.
While the term light 'rays' is a 400 year old artifact and may give a misguided idea of what the visible part of the em wave spectrum is, the point at which the optical axis of a part of the incident plane of a light wave focused by a lens is called the FOCAL POINT of the lens. (It is not of course IN the lens).
The point where light beams come together is known as the focal point or focus of the light rays. This is where the light rays converge or meet after passing through a lens or reflecting off a mirror. The focal point is a key concept in optics and is used in understanding how images are formed.
Yes, light rays can converge when they pass through a converging lens or reflect off a concave mirror. In such cases, the light rays come together at a focal point after being refracted or reflected, forming a real image.
A convex lens causes light rays to converge (come together) after passing through it, while a concave lens causes light rays to diverge (spread apart) after passing through it.