## Answers

Magnification of the mirror m = 1.2v/ u = 1.2Distance of the object u = 20.5 cm∴ Distance of the image v = 1.2 u=24.6 cmFrom the relation ( 1/ u ) + ( 1/ v ) = ( 1/ f ) we findfocal length of the mirror f value∴ Radius of curvature for the mirror R = 2fsubstitue values weget answer.

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