Question

8. When an object is 28 cm in front of a

concave mirror, the image is 16 cm in front
of the mirror? What is the focal length of
the mirror?
*

Answer 1

FORMULA

`(1)/(f) = (1)/(p) + (1)/(l)`

p-the distance of the figure(object)from the vertex of the mirror

l-the distance of the figure from the vertex of the mirror