Define pole.

Define angle of dip and mention is value at the equator and pole of the earth.

Define spherical mirror, centre of curvature, radius of curvature, pole, principal axis and focal length of spherical mirror.

Define the pole of a mirror

Define magnetic pole.

Define magnetic poles and magnetic axis.

Define the following: Pole (P)

Define the terms:Pole

Define the terms of pole and centre of curvature of a spherical mirror.