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Define (A) Centre of Curvature (B) Radius of Curvature (C) Pole (D) Principal Axis, and (E) Aperture, of a Spherical Mirror with the Help of a Labelled Diagram - CBSE Class 10 - Science

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Question

Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram

Solution

(a) Centre of curvature (C) – It is the centre of the sphere from which the mirror is formed.
(b) Radius of curvature (R) – It is the radius of the sphere from which the mirror is formed.
                                              R = PC
                                          

(c) Pole (P) – Pole is the centre of the curved mirror surface, MM’.
(d) Principal axis – It is the line joining P and C.
(e) Aperture – It is the effective length of the mirror, i.e. MM’.   

 

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Solution Define (A) Centre of Curvature (B) Radius of Curvature (C) Pole (D) Principal Axis, and (E) Aperture, of a Spherical Mirror with the Help of a Labelled Diagram Concept: Reflection of Light - Spherical Mirrors.
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