Question

Prove that the radius of curvature of a spherical

mirror is equal to twice the focal length of the

mirror.​

Answer 1

Answer:For spherical mirrors of small apertures, the radius of curvature is found to be equal to twice the focal length. We put this as R=2f. This implies that the principal focus of a spherical mirror lies midway between the pole and centre of curvature.

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Answer 2

Answer:

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