Question

Define the following terms in the context of spherical mirror
a) pole
b) center of Cesvatere
c) Principal axis
d) Focus​

Answer 1

Answer:

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Explanation:

*Pole: The middle point of the reflecting surface of a spherical mirror is called pole.

The letter P represents pole, MP = M’P.

*Centre of curvature: It is the centre of the sphere of glass of which the mirror is a part. The letter C represents the centre of curvature.

*Principal axis of a spherical mirror is the straight line joining the centre of curvature and pole of the mirror.

*Principal focus: The mid-point of CP is called focus (F). It is the point on the principal axis of a spherical

mirror where all incident rays parallel to the principal axis meet or appear to diverge after reflection.