If the distance of an object from a concave mirror is 50 cm and the focal length is 10 cm, determine the position of the image produced by the mirror.

Answer 1

1/F = 1/f + 1/d;

We have F = 10cm d = 50 cm.

So, 1/10 = 1/f + 1/50; 1/f = 1/10 - 1/50 = 4/50; f = 50/4 = 12.5 cm