Define the term principal focus for a convex mirror .
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The principal focus (denoted by F in the figure) is defined as the point on the principal axis where the light rays traveling parallel to the principal axis after reflection actually meet (for a concave mirror) or appear to meet (for a convex mirror).
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IT I A POINT ON PRINCIPAL EXIS OF CONVEX MIRROR FROM WHERE ALL RAYS DIVERGE AFTER REFLECTION.
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