question_answer

The magnification of the image when an object is placed at a distance \[x\]from the principal focus of a mirror of focal length\[f\] is

A)  \[\frac{x}{f}\]                                  

B)  \[1+\frac{f}{x}\]

C)  \[\frac{f}{x}\]                                  

D)  \[1-\frac{f}{x}\]