Define the following term is context of :
a) spherical mirror
b) Radius of mirror
c) Aperture
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Define the following term is context of :
a) spherical mirror
b) Radius of mirror
c) Aperture
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Explanation:
(a) Pole : Centre of the reflecting surface of the mirror. (b) Centre of curvature : The centre of the hollow sphere of which the reflecting surface of mirror is a part. (c) Principal axis : Straight-line passing through the pole and the centre of curvature of a spherical mirror. (d) Principal focus : Incident rays parallel to principal axis, after reflection, either converge to or appear to diverge from a fixed point on the principal axis called principal focus of the spherical mirror.Read more on Sarthaks.com - https://www.sarthaks.com/40416/define-following-terms-context-spherical-mirrors-pole-centre-curvature-principal-axis