Question

The normal at any point on the mirror passes through (a) focus (c) center of curvature (b) pole (d) any point​

Answer 1

Answer:

In a spherical mirror, normal drawn on any point on a spherical mirror passes through the centre of curvature.

Explanation:

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Answer 2

The normal at any point on the mirror passes through (c) center of curvature.

• Centre of curvature is the geometric centre of the sphere from which the spherical mirror had been obtained.

• So, any light ray passing through the centre of curvature and incident on the mirror actually represents the radius.

• We know that radius is always perpendicular (i.e.radial) to the the tangent at that point of the spherical mirror.

• That is why, the perpendicular line at any point on the mirror passes through the centre of curvature.

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