menu search
person
A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the lens. Is the prescribed lens diverging or converging?
thumb_up_alt 50 like thumb_down_alt 0 dislike
7 views

1 Answer

 
verified

Power of lens, P= 1/f
P= 1.5D
f= 1/1.5 = 10/15 = 0.66 m
A convex lens has a positive focal length. Hence, it is a convex lens or a converging lens.
 

thumb_up_alt 50 like thumb_down_alt 0 dislike

Related questions

thumb_up_alt 50 like thumb_down_alt 0 dislike
6 views 1 answer
thumb_up_alt 50 like thumb_down_alt 0 dislike
13 views 1 answer
thumb_up_alt 50 like thumb_down_alt 0 dislike
7 views 1 answer
thumb_up_alt 50 like thumb_down_alt 0 dislike
11 views 0 answers
add_circle_outline
...