Linear magnification produced by spherical mirrors : The ratio between the height of the image produced by the spherical mirror to the height of the object is called the linear magnification. Your email address will not be published. In convex mirror, the field of view is increased as compared to plane mirror. EduRev is like a wikipedia The principal axis is taken as the x-axis of our coordinate system. To obtain this type of numerical information, it is necessary to use the Mirror Equation and the Magnification Equation. The negative magnitude of magnification indicates real and inverted image. this is your one stop solution. h o = height of the object. A precision magnifier serves the role of a simple magnifier but holds multiple elements to erase aberrations and yield a sharper image. Mirror formula: The relation between the distance of the object from the pole of the spherical mirror (u), the distance of the image from the pole of the spherical mirror (v) and its focal length (f) is given by the mathematical formula : It must be remembered that focal length (f) of a spherical mirror is half the radius of curvature (R). A real image can be taken on a screen, but a virtual image cannot be taken on a screen. it is erect and formed above the principal axis. Do check out the sample questions Class 10 Mirror Formula and Magnification - Light Reflection and Refraction, Class 10, Science | EduRev Notes Summary and Exercise are very important for Linear magnification when the image is virtual : In case of virtual image. The relation between the distance of the object from the pole of the spherical mirror (u), the distance of the image from the pole of the spherical mirror (v) and its focal length (f) is given by the mathematical formula : It must be remembered that focal length (f) of a spherical mirror is half the radius of curvature (R). 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