Establish the relationship between the focal length and radius of curvature.

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Solution

For spherical mirrors with small apertures, it is found that the radius of curvature is twice the focal length.
Mathematically, $R = 2 \times f$ , where $R$ is the radius of curvature and $f$ is the focal length.

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Establish the relationship between the focal length and radius of curvature.

For spherical mirrors with small apertures, it is found that the radius of curvature is twice the focal length.Mathematically, R=2×f, where R is the radius of curvature and f is the focal length.

For spherical mirrors with small apertures, it is found that the radius of curvature is twice the focal length.
Mathematically, $R = 2 \times f$ , where $R$ is the radius of curvature and $f$ is the focal length.