Question

An object is placed at 15cm in front of a concave mirror of radius of curvature 20cm find the position of the image

Answer 1

Answer: v=-30cm

explanation:giving in the image below

Answer 2

Answer:

Explanation:

radius of curvature=1/2*focal length

                                  =10cm

u=15cm

1/f=1/u+1/v

-1/10=-1/15+1/v

=-1/30

=v=-3ocm infront of the mirror.