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Per NCERT, the reflecting surface of a SPHERICAL MIRROR forms part of a sphere. What is the CENTRE OF CURVATURE 'C'?
AThe centre of the sphere of which the mirror's reflecting surface forms a part — NOT a part of the mirror itself
BThe focus of the mirror
CThe image distance
DThe pole of the mirror
Answer & Solution
Correct answer: A. The centre of the sphere of which the mirror's reflecting surface forms a part — NOT a part of the mirror itself
Per NCERT §9.2, centre of curvature = centre of the underlying sphere (not on the mirror).
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