In Optics, What Name Is Given To The Distance From The Lens To The Point Where The Light Rays Converge? This Value, Important In Photography, Has A Negative Value For A Concave Lens, Which Diverges Light.

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1. In Optics, What Name Is Given To The Distance From The Lens To The Point Where The Light Rays Converge? This Value, Important In Photography, Has A Negative Value For A Concave Lens, Which Diverges Light.