explain the relation between these 2 pair of words with respect to lense
(a)focal length and center of curvature.
(b)focal length and power of lence.
(c)magnification of a lence and height of object and image.
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a)
The relation between focal length (f) and center of curvature (R) is spherical mirror is that the focal length is equal to half of the radius of curvature i.e. f=R2
b) The power of lens is defined as the reciprocal of its
focal length in metres
C) The magnification produced by a lens is equal to the ratio of image distance to the object distance
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