An imaginary straight line passing through the pole and the centre of curvature of a spherical mirror is called the
Question
An imaginary straight line passing through the pole and the centre of curvature of a spherical mirror is called the
focal axis
principal axis
reflecting axis
optical boundary
Answer
principal axis
Detailed Explanation
The chapter defines the principal axis as the imaginary straight line passing through the pole and the centre of curvature of a spherical mirror. — Examisthan.com