The relation between focal length F and radius of curvature R of a spherical mirror of small aperture is given by

F = \frac{R}{2}

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F = 2R

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F = \frac{R}{4}

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F = R

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Solution

The correct option is A $F = \frac{R}{2}$
For spherical mirror of small aperture, $F = \frac{R}{2}$
Hence, the correct answer is option (a).

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Similar questions

Q. Write the relation between focal length and radius of curvature of a spherical mirror?

Q. Fill in the blanks:
For a spherical mirror, the relation between focal length and radius of curvature is given by ____

What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror or convex mirror) ? Calculate the focal length of a spherical mirror whose radius of curvature is 25 cm.

Q. The focal length

f

is related to the radius of curvature

r

of the spherical convex mirror by -

Define:
(a) Radius of curvature of spherical mirror
(b) Focal length of spherical mirror.

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The relation between focal length F and radius of curvature R of a spherical mirror of small aperture is given by

The correct option is A F=R2For spherical mirror of small aperture, F=R2 Hence, the correct answer is option (a).

The correct option is A $F = \frac{R}{2}$
For spherical mirror of small aperture, $F = \frac{R}{2}$
Hence, the correct answer is option (a).