Q

Which lines act as normals to a spherical mirror? A. Line joining P and C. B. Line joining C and the point of incidence. C. Line joining F and the point of incidence.

RRB Group-D 18/08/2022 / Shift-III 2022
✓ Answer: A Both A and B
A radius to any point of a spherical surface is normal there. PC is the normal at the pole.
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