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Pole of a mirror

Principal axi...

Question

Principal axis is the line joining the pole and the:

A

Principal line

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B

Centre of curvature

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C

Mirror

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D

None of these

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Solution

The correct option is C Centre of curvature
Principal axis is line joining pole and centre of curvature.

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Q. The line joining the centre of curvature and the pole of a spherical mirror is known as the principal axis.

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