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Q: The focal length of a convex mirror is 15 cm Following New Cartesian Sign Convention, its centre of curvature is located at :
  • A. 30 cm
  • B. – 15 cm
  • C. 15 cm
  • D. –30 cm
Correct Answer: Option A - As per New Cartesian Sign Convention if the focal length of a convex mirror is 15 cm then its centre of curvature will be located at 30 cm.
A. As per New Cartesian Sign Convention if the focal length of a convex mirror is 15 cm then its centre of curvature will be located at 30 cm.

Explanations:

As per New Cartesian Sign Convention if the focal length of a convex mirror is 15 cm then its centre of curvature will be located at 30 cm.