(a) State the reasons which lead to hypermetropia. With the help of suitable diagram, explain this defect of…
(a) State the reasons which lead to hypermetropia. With the help of suitable diagram, explain this defect of vision and its correction.
(b) Draw diagram of an experimental arrangement for observing scattering of light in colloidal solution. Name the two chemicals used in this activity.
Solution
a. In hypermetropia a person cannot see near by objects clearly. Its is due to shortening of the eye ball or due to increase in focal length of eye lens. To correct hypermetropia, a convex lens of suitable focal length is needed. b.
