Write the uses of concave mirror ?

Write the uses of convex mirror ?

To derive the relevant formula for reflection by spher cal mirrors and refraction by lenses we must adopt sign conventions for measuring distances.Show that f= R/2 In the case of concave mirror, where f is the focal length and R is the radius of curvature.

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Magnification is the ratio of the height of the image to the height of the object. Write the equation of a concave mirror connecting the distance of the image and distance of the object.

Write the charactersticks of the image formed by an object placed at the centre of curvature of a concave mirror ?

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Radius of curvature of a concave mirror is 24 cm. Then find the focal length of the mirror ?