What is the relationship between the focal length $f$ and radius of curvature $R$ for a spherical mirror?

f = 2 R

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f = 2 R

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R = 2 f

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R = 4 f

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Solution

The correct option is C $R = 2 f$
For a spherical mirror the radius of curvature is twice it's focal length. Focus lies in the middle of the radius of the curvature. $R = 2 f$ ( i.e. the radius of curvature is twice the mirror's focal length)

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What is the relationship between the focal length f and radius of curvature R for a spherical mirror?

The correct option is C R=2fFor a spherical mirror the radius of curvature is twice it's focal length. Focus lies in the middle of the radius of the curvature. R=2f ( i.e. the radius of curvature is twice the mirror's focal length)

What is the relationship between the focal length $f$ and radius of curvature $R$ for a spherical mirror?

The correct option is C $R = 2 f$
For a spherical mirror the radius of curvature is twice it's focal length. Focus lies in the middle of the radius of the curvature. $R = 2 f$ ( i.e. the radius of curvature is twice the mirror's focal length)