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Important Terms Related to Spherical Lenses

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Question

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

A

True

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B

False

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Solution

The correct option is A True

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Similar questions

Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.

The line joining the centre of curvature and the ___ of the mirror is called the principal Axis

Q. In the case of a mirror, match the items in column A with those in column B.
A B
1. Centre of curvature (a) centre of the mirror
2. Focus (b) centre of the sphere of which the mirror is a part
3. Radius of curvature (c) point through which all the incident rays parallel to principal axis pass after reflection
4. Principal axis (d) line joining the pole and focus
5. Pole (e) distance between pole and centre of curvature

Q. State whether true or false :

The principal focus of a spherical mirror lie midway between the pole and centre of curvature.

Q. 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.

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Important Terms Related to Spherical Lenses

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