Question

Study the diagram given below and answer the following questions:
(a) Name the defect of vision depicted in the diagram. M a m
(b) List two causes of the defect. ahorasy, Bocod death
(c) Draw a ray diagram for the correction of the above defect using an
appropriate lens.
OR
What do you mean by (a) monochromatic light and (b) polychromatic light?
Give examples.​

Answer 1

Answer:

a.)hypermetropia

b.)Hypermetropia is a defect of vision that causes the impossibility for rays of light to be focused on the retina, but behind it. The main cause for this defect is the insufficiente eye lenght. A lot of people suffer from hypermetropia without even knowing it, because the eye automatically compensate this defect.

c.)you can see the above image