Question

The relation R = 2f is true for a spherical mirror when (a) Its aperture is equal to radius of curvature (b) Its aperture is greater than radius of curvature (C) Its aperture is smaller than radius of curvature (d) Its aperture is more than double the radius of curvature

anyone plss help mee​

Answer 1

option b is correct..

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Answer 2

Option B is Correct

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