Question

Define
a) centre of curvature (b) radius of curvature (c) pole (d)
principal axis, and (e) aperture, of a
Spherical mirror with the help of a labelled diagram
​

Answer 1

Answer:

(1) the mid point of radius from the mirror is c/a center of curvature.

(2) distance from pole to object is k/a radius of curvature.

(3) the mid point of mirror is k/a pole.

(4) line from pole to object just like x-axis is c/a principle axis.

(5) an aperture is a hole or an opening through which light travels.

Answer 2

Answer:

⬇️⬇️

➡️a.centre of curvature:the reflecting surface of a spherical mirror forms a sphere.this sphere has a centre.this point is called centre of curvature.

➡️b.radius of curvature:the radius of sphere of which the reflecting surface of a spherical mirror forms a part,is called radius of curvature.

➡️c.pole:the centre of the reflecting surface of a spherical mirror is a point called the pole.

➡️d.principle axis:straight line passing through the pole and the centre of curvature of a spherical mirror is called the principle axis.

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