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A pencil is held perpendicular to the optical axis of a concave spherical mirror. The pencil is 91 cm from the center of the mirror, and its image is found 23 cm from the mirror.

Find the focal length of the mirror.

What is the radius of curvature of the mirror?

What is the magnification of the pencil's image?

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Category:- Physics
Reference No.:- M9881816

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