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Q: Which of the following line(s) act as a normal to a spherical mirror? (A) Line joining the pole and centre of curvature (B) Line joining the centre of curvature and point of incidence (C) Line joining focus and point of incidence
  • A. Both (A) and (B)
  • B. Both (A) and (C)
  • C. (A), (B) and (C)
  • D. Both (B) and (C)
Correct Answer: Option A - Spherical mirror are mainly of two types concave mirror and convex mirror and any line joining their surface and also passing through their center of curvature is always normal to the mirror. Therefore both (A) and (B) statements are true.
A. Spherical mirror are mainly of two types concave mirror and convex mirror and any line joining their surface and also passing through their center of curvature is always normal to the mirror. Therefore both (A) and (B) statements are true.

Explanations:

Spherical mirror are mainly of two types concave mirror and convex mirror and any line joining their surface and also passing through their center of curvature is always normal to the mirror. Therefore both (A) and (B) statements are true.