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Calculate the distance of an object of height h from a concave mirror of focal length 10 cm so as to obtain a real image of magnification 2 .

Calculate the distance of an object of height 'h' from a concave mirror of radius of curvature 20 cm , so as to obtain a real image of magnification 2.

Calculate the distance of an object of height h from a concave mirror of radius of curvature 20 cm, so as to obtain a real image of magnification 2. Find the location of image also.

(i) Calculate the distance of an object of height h from a concave mirror of radius of curvature 20 cm , so as to obtain a real image of magnification 2. find the location of image also . (iii) Using mirror formula explain Why does a convex always produce a virtual image .

(i) Calculate the distance of an objective of height h from a concave mirror of radius of curvature 20 cm , so as to obtain a real image of magnification 2. find the location of image also . (iii) Using mirror formula explain Why does a convex always produce a virtual image .