(a) What is meant by least distance of distinct vision? (b) How does the thickness of the eye lens change…
(a) What is meant by least distance of distinct vision?
(b) How does the thickness of the eye lens change when we shift looking from a distant tree to reading a book?
Solution
(a) Least distance of distinct vision means the minimum distance upto which an eye can see clearly.
(b) To see distant object focal length of eye lens must be more so it becomes thinner when we want to read a book eye lens is comparatively thicker.