Question

A ray either incident from the focus (or converging at the focus), after reflection from a spherical mirror :
(a) becomes perpendicular to the principal axis
(b) becomes parallel to the principal axis
(c) becomes normal to the focus
(d) passes through the centre of curvature

March 24, 2024

Answer

(b) becomes parallel to the principal axis

Reason — A ray either incident from the focus (or converging at the focus), after reflection from a spherical mirror becomes parallel to the principal axis.

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Question

A ray either incident from the focus (or converging at the focus), after reflection from a spherical mirror :(a) becomes perpendicular to the principal axis(b) becomes parallel to the principal axis(c) becomes normal to the focus(d) passes through the centre of curvature

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A ray either incident from the focus (or converging at the focus), after reflection from a spherical mirror :
(a) becomes perpendicular to the principal axis
(b) becomes parallel to the principal axis
(c) becomes normal to the focus
(d) passes through the centre of curvature