Question

A concave mirror of focal length f produces an image n times the size of the object. If the image is real, then the distance of the object from the mirror is...... options:- a) (n+1)*f. b) (n-1)/n*f. c) (n-1)*f. d) (n+1)/n*ffor more clearer view see the attachment...

Answer 1

magnification =height of image/height of object