Question

write the principal axis​

Answer 1

Answer:

here

Explanation:

The principal axis is called a line that passes via the centre of the surface of a spherical mirror or lens and through the centre of curvature of all segments of the mirror or lens.

Answer 2

Answer:-

• The principal axis is called a line that passes via the centre of the surface of a spherical mirror or lens and through the centre of curvature of all segments of the mirror or lens.

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