The point F on the axis where reflected rays meet is the principal:
ARadius
BVertex
CFocus
DChord
Answer & Solution
Correct answer: C. Focus
1. Parallel paraxial rays converge to or diverge from this point.
2. It sits on the principal axis of the mirror.
3. It is called the principal focus.
_Source: syllabus Physics Part II, Chapter 9, Ray Optics and Optical Instruments._
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