Physics, 14.11.2019 16:31, darlenepitre

Which is the correct definition of the focal point of a converging lens or a concave mirror?

the point at which light from all real objects will be focused.
the point at which light from upright images will be focused into inverted images.
the point at which light from very distant objects will be focused.
the point at which light from virtual images will be focused.
the point at which light from objects within the radius of curvature will be focused.

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Which is the correct definition of the focal point of a converging lens or a concave mirror?
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