Distance between focus and centre of curvature is equal to .

half of the radius

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radius of curvature

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height of the mirror

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Solution

The correct option is A half of the radius
Focus is the midpoint between the pole and the centre of curvature of a mirror. So, the required distance is half of radius of curvature.

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Similar questions

Q. Distance between focus and centre of curvature is equal to .

Q. State whether the given statement is True or False.

The distance between the principal focus and centre of curvature of a lens is called its radius of curvature.

Q. The real image formed by a concave mirror is smaller than the object if the object is:

(a) between centre of curvature and focus
(b) at a distance greater than radius of curvature
(c) at a distance equal to radius of curvature
(d) at a distance equal to focal length

Q. A concave mirror produces magnification of +4. The object is placed:

(a) at the focus
(b) between focus and centre of curvature
(c) between focus and pole
(d) beyond the centre of curvature

In order to obtain a magnification of −2 (minus 2) with a concave mirror, the object should be placed:
(a) between pole and focus
(b) between focus and centre of curvature
(c) at the centre of curvature
(d) beyond the centre of curvature

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Distance between focus and centre of curvature is equal to .

The correct option is A half of the radiusFocus is the midpoint between the pole and the centre of curvature of a mirror. So, the required distance is half of radius of curvature.

The correct option is A half of the radius
Focus is the midpoint between the pole and the centre of curvature of a mirror. So, the required distance is half of radius of curvature.