Question #3b874
1 Answer
Apr 10, 2017
Explanation:
The Power of a lens is the inverse of the focal length when describing thin lens. It is measured in diopters. Optometrists use power lens to prescribe glasses to patients.
![https://useruploads.socratic.org/Yjpo6xIcQ7CP7h0qUz7X_focalength.gif)
The relationship is seen from the following:
Where
To find the focal length, isolate f, plug in and solve
-
#P = (1/f)# -
#6 = (1/f)# -
#f = (1/6)# -
#f = 0.16" m"#