Question

The focal length of a concave mirror is f and the distance from the object to the principle focus is x. The ratio of the size of the image to the size of the object is
(a) $\frac{f+x}{f}$
(b) $\frac{f}{x}$
(c) $\sqrt \frac{f}{x}$
(d) $\frac{f^2}{x^2}$

Answer 1

ANSWER IS B I THINK SO