. The line passing through a pole and a centre of curvature is known as
The line passing through a pole and a centre of curvature is known as
(a) Focal length
(b) Reflecting axis
(c) Pole axis
(d) Principal axis
Related questions
/* MARKETING SCRIPT */ ?>
The line passing through a pole and a centre of curvature is known as
(a) Focal length
(b) Reflecting axis
(c) Pole axis
(d) Principal axis