Question

inorder to produce an image with magnification "m", a concave mirror of focal length "f" is used.
if the object is kept at a distance of "d" from the mirror, then "(m-1)f" equals what??​

Answer 1

Explanation:

hope this help full.......................

Answer 2

Explanation:

b .is right answer

A) md

B) m/(d+1)

C) m/d

D) 1/(md)