Question

the line joining the centre of curvature and pole of the mirror is called​

Answer 1

Answer:

the joining line is called focal length

Answer 2

Answer:

Explanation:Aperture: The diameter of the circular rim of the mirror, is called the aperture of the mirror. 5. Principle Axis: The straight line passing through the pole P and the centre of curvature C of the mirror, is called principal axis of the mirror.