1 An equiconvex lens is prepared from glass 1 5 having radius of curvature 25 cm One of the surface is silvered from outside

Question

1 An equiconvex lens is prepared from glass 1 5 having radius of curvature 25 cm One of the surface is silvered from outside Where should an object be placed before this lens so that image is formed on the object itself 1 12 5 cm 3 100 cm 2 25 cm 4 125 cm

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